1. S.Ališauskas. Explicit orthonormal Clebsch-Gordan coefficients of SU(3). - J. Math. Phys., 1990, v. 31, No 6, p. 1325-1332.
   
2. A.Bartkevičius, D.Bartkevičienė. A catalogue of field population II stars on magnetic tape. - Proc. Nordic-Baltic Astron. Meeting, Uppsala, 1990, p. 41-44.
3. A.Bartkevičius, J.Sperauskas (Vilnius University). A programme of radial velocity measurements for population II stars. - Proc. Nordic- Baltic Astron. Meeting, Uppsala, 1990, p. 45-48.
4. A.Bartkevičius, G.Tautvaišienė, R.Lazauskaitė. High Galactic latitude Supergiants. - Proc. Nordic-Baltic Astron. Meeting, 1990, p. 49- 52.
5. A.Bernotas, R.Narevičius, J.Kaniauskas. Intershell excitonic states in many-electron atoms. Europhysics conference abstracts, 22nd EGAS, part 2, Uppsala, 1990, p. 623-625.
6. K.Blagoev, N.Dimitrov, A.Benhalla (Institute for Solid State Physics, Sofia, Bulgaria), P.Bogdanovich, A.Momkauskaitė, Z.B.Rudzikas. Two-electron transitions between nd⁸(n+1)s² and nd⁹(n+1)p configurations in the spectra of Cu⁺, Ag⁺, Au⁺, Zn²⁺, Cd²⁺, Hg²⁺. - Physica Scripta, 1990, v. 41, No 1, p. 213-216.
7. P.Bogdanovich, J.Kaniauskas, R.Karazija, G.Merkelis, Z.Rudzikas, V.Tutlys. Urgent aspects of the theory of spectra of many-electron atoms. Izvestiya vysschykh uchebnykh zavedeniy, Fizika, 1990, No 8, p. 6-17 (in Russian).
8. R.P.Boyle (Vatican Observatory), F.Smriglio (Rome University), K.Nandy (Edinburgh Observatory), V.Straižys. CCD photometry in the Vilnius photometric system. I. Region in Lyra. - Astron. Astrophys. Suppl., 1990, v. 84, p. 1-10.
9. R.P.Boyle (Vatican Observatory), F.Smriglio (Rome University), K.Nandy (Edinburgh Observatory), V.Straižys. CCD photometry in the Vilnius photometric system. II. Region in Sagitta. Astron. Astrophys. Suppl., 1990, v. 86, p. 395-401.
10. R.P.Boyle (Vatican Observatory), F.Smriglio (Rome University), K.Nandy (Edinburgh Observatory), V.Straižys. Interstellar extinction in the direction of the globular cluster M71. Bull. Amer. Astron. Soc., 1990, v. 22, No 4, p. 1321.
11. V.Bolotin (Institute of Physics), G.Gavėnas, G.Dienys (Institute of Applied Enzymology), L.Kuzmickytė, A.Pūkienė (Institute of Applied Enzymology). Electronic spectra of N-arylacrylamides. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No 4, p. 403-408 (in Russian).
12. D.Bingelienė (Kaunas Polytechnical Institute), R.Buteikis, L.Pranevičius (Kaunas Polytechnical Institute), P.Serapinas. Measurement of spectra of acoustic signal, current and optical radiation of pulsed arc for frequencies below 1 MHz. - Zh. tekhn. fiziki (J. Techn. Phys.), 1990, v. 60, No 2, p. 175-177 (in Russian).
13. K.Černis. Instellar extinction in the direction of the Perseus complex of dark clouds. - Proc. Nordic-Baltic Astron. Meeting, Uppsala, 1990, p. 75-78.
14. K.Černis. Interstellar extinction in the vicinity of the reflection nebula NGC 1333 in Perseus. - Astrophys. and Space Sci., 1990, v. 166, p. 315-330.
15. K.Černis. Visual observations of the Comet Okazaki-Levy-Rudenko (1989 r). - Intern. Comet Quarterly, 1990, v. 12, No 2, p. 51-58.
16. P.Diomkin (Vilnius University), V.Lazauskas, Z.Januškevičius (Vilnius University). Investigation of isovalent impurity states in GaP using the Extended-Hückel and the Mullliken-Wolfsberg-Helmholtz method. - Phys. Stat. Sol., 1990, v. 159, No 2, p. 63-66.
17. P.Diomkin (Vilnius University), V.Lazauskas, Z.Januškevičius (Vilnius University). The position of impurity levels of transition Fe group metals in GaP, determined by means of two quantum-chemical methods. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No 6, p. 684-688 (in Russian).
18. V.Gineitytė, V.Lazauskas. Investigation of interfragment bond properties in organic molecules. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No 1, p. 22-35 (in Russian).
19. V.Gineitytė, D. Šatkovskaja (Vilnius University). The topological nature of the heteroatom trans-effect in the simplest 6-electron systems, containing vicinal bond pairs. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No 6, p. 658-666 (in Russian).
20. R.Janulis, V.Straižys. Interstellar extinction in the direction of globular clusters. - Proc. Nordic-Baltic Astron. Meeting, Uppsala, 1990, p. 129-132.
21. V.Jasevičius, G.Kurilienė, V.Strazdaitė (Vilnius University), A.Kazlauskas, J.Šleivytė, K.Černis. Photoelectric photometry of G-M stars in the Vilnius system. - Bull. Vilnius Obs., 1990, No 85, p. 50-66.
22. G.Juzeliūnas. Fluorescence depolarization due to exciton annihilation in molecular domains. - J. Luminescence, 1990, v. 46, p. 201-207.
23. A.Kancerevičius. Atomic spectra calculations with term dependent radial integrals. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No 2, p. 153-160 (in Russian).
24. A.Kancerevičius. Ordinary sums of the 6j-coefficients. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No 6, p. 643-649 (in Russian).
25. R.Karazija, L.Rudzikaitė. The symmetry of electronic shell in the lowest state and rules for binding energy intervals. - Optika i spektroskopiya, 1990, v. 68, No 3, p. 487-492 (in Russian).
26. A.Karosienė. Theoretical investigation of giant photoabsorption resonance by 4d-electrons of cerium. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No 6, p. 650-657 (in Russian).
27. R.Kisielius. Theoretical investigation of helium-like chlorium spectra in tokamak plasma. - Europhysics conference abtracts, 22nd EGAS, part 2, Uppsala, 1990, p. 442-444.
28. K.Konstantinavičius (Institute of Biochemistry), V.Lazauskas. Relation of electronic structure of phragments -OH, -NH₂ , >CO, -NO₂ , =CH₂ and ³ CH to local symmetry of phragment in the molecule. - Zh. Strukt. Khimii (J. Struct. Chem.), 1990, v. 31, No 3, p. 24-31 (in Russian).
29. S.Kučas, R.Karazija. Configuration mixing with symmetric exchange- of-symmetry and narrowing of emission spectrum. - Europhysics conference abstracts, 22nd EGAS, part 2, Uppsala, 1990, p. 766-768.
30. A.Kupliauskienė, A.Maknickas. The use of correlated atomic wave functions in the investigation of the simultaneous excitation and ionization of helium by electron impact. - Europhysics conference abstracts, 22nd EGAS, part 2, Uppsala, 1990, p. 713-715.
31. A.Kupliauskienė, G.Žukauskas. Theoretical investigations of doubly excited states of sodium-like argon. - Europhysics conference abstracts, 22nd EGAS, part 2, Uppsala, 1990, p. 668-670.
32. A.Kupliauskienė, A.Nakas. Programme for the calculation of radial integrals having Slater orbitals of discrete spectrum and Coulomb functions of continuum spectra. - Deposit No 2513-Li of Lithuanian Information Institute, 1990, 52p. p. (in Russian).
33. R.Lazauskaitė (Vilnius Pedagogical Institute), G.Tautvaišienė. Photoelectric photometry of 241 star in the Vilnius system. - Bull. Vilnius Obs., 1990, No 85, p. 30-49.
34. E.Meištas, K.Černis, V.Straižys. Photometric investigation of dark clouds in the solar vicinity. - Proc. Nordic-Baltic Astron. Meeting, Uppsala, 1990, p. 211-213.
35. A.Petrauskas, V.Bondarenko (Semiconductor Physics Institute), K.Jankauskas (Klaipėda Department of Kaunas Polytechnical Institute). Investigation of the summ rules for Gamow-Teller transitions in Wigner scheme. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No 6, p. 742-744 (in Russian).
36. A.Ramonas, A.Ryabtsev (Institute of Spectroscopy,Moscow). Transitions from doubly excited configuration 3d4s4p in the spectrum of GaIV. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No. 6, p. 689-697 (in Russian).
37. L.Sabaliauskas, V.Vanagas. Effective NN-potentials of the light nuclei in the framework of the strongly restricted dynamics model. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No 1, p. 11-21 (in Russian).
38. L.Sabaliauskas, V.Vanagas. Application of the extended model with strictly restricted dynamics to odd light nuclei. - Lith. Phys. J.(Liet.fiz.žurn.), 1990, v. 30, No 4, p. 387-395 (in Russian).
39. P.Serapinas. On atomic radiation correlation in nonequilibrium plasma. - Europhysics conference abstracts, 22nd EGAS Conference, part 1, Uppsala, 1990, 1, p. 53-55.
40. V.Straižys. Stellar photometry and some aspects of galactic structure and evolution. - Proc. Nordic-Baltic Astron. Meeting, Uppsala, 1990, p. 311-316.
41. J.Šleivytė. Photometric and kinematic parameters of CH and metal- deficient barium stars. - Proc. Nordic-Baltic Astron. Meeting, Uppsala, 1990, p. 303-306.
42. J.Šleivytė, A.Bartkevičius. Catalogue of CH and metal-deficient barium stars. - Bull. Vilnius Obs., 1990, No 85, p. 3-29.
43. V.Švedas, Z.Kuprionis (Institute of Physics), V.Gontis, B.Kaulakys. Kinetics of diffusive ionisation of potassium Rydberg atoms. - Inst. Phys. Conf. Ser. No 114, Section 3. RIS 90, Varese, Italy, 1990, p. 141-144.
44. G.Tautvaišienė. Spectral investigation of suspected red horizontal branch stars. - Proc. Nordic-Baltic Astron. Meeting, Uppsala, 1990, p. 341-344.
45. V.Vanagas, O.Katkevičius. Nucleon density distribution within the framework of the restricted nuclear models. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, No 3, p. 251-264 (in Russian).
46. V.Vanagas, O.Katkevičius, J. A. Castilho Alcaras (Sao Paulo University, Brasil), J.Tambergs, J.Ruža (Institute of Physics, Latvia). Features of the a -cluster type nuclei in the framework of the restricted dynamics model. - Fizika (Yugoslavia), 1990, v. 22, No 1, p. 101-121.
47. V.Vanagas, L.Sabaliauskas. The extended nuclear model with strictly restricted dynamics. - Lith. Phys. J. (Liet.fiz.žurn.), 1990, v. 30, No 3, p. 265- 273 (in Russian).
48. M.-J.Vilkas, G.Gaigalas, G.Merkelis, Z.Rudzikas. Application of many-body perturbation theory to the investigation of energy spectra of atoms and ions with open shells. - In: Atomic spectra and oscillator strengths for astrophysics and fussion research. Ed. J. E. Hansen, North-Holland, Amsterdam, 1990, p. 130-131.
49. K.Zdanavičius, V.Straižys. Photometry of the open cluster NGC 6996 in the North America Nebula. - Astroph. Space Sci., 1990, v. 173, p. 309- 314.
50. G.Žukauskas. An alternative method of investigation of radiative lifetimes in atoms and ions. - In: Atomic spectra and oscillator strengths for astrophysics and fussion research. Ed. J. E. Hansen, North-Holland, Amsterdam, 1990, p. 130-131.
51. K.Černis et al. Tabulation of comet observations (Comets: Halley and 1989o). - Intern. Comet Quarterly, 1990, v.12, No 1.
52. K.Černis et al. Tabulation of comet observations (Comets: 1989o, 1989a1 and 1989r). - Intern. Comet Quarterly, 1990, v.12, No 2.
53. K.Černis et al. Tabulation of comet observations (Comets: 1989c1, 1990b). - Intern. Comet Quarterly, 1990, v.12, No 4.

1. Z.Rudzikas. Foreword (Conference on the theory of atoms and atomic spectra), 19-21 September 1989, Tomsk (Russia). - Izvestiya vysshykh uchebnykh zavedeniy, Fizika, 1990, No 8, p. 3-5 (in Russian).
2. Z.Rudzikas. Astronomija ir fizika. - Mokslas ir technika, 1990, Nr.2, p.5-7.
3. Z.Rudzikas. Mokslas - tai (ar?) gyvenimas? - Mokslas ir gyvenimas, 1990, Nr.8, p.6-7.
4. V.Straižys. Paukščių Takas ir Vilniaus astrofotometrinė sistema. - Mokslas ir Lietuva (Pasaulio lietuvių mokslo, švietimo ir kultūros žurnalas), 1990, No 1, p. 21-31; English version: The Milky Way and the Vilnius Photometric System. - Science, Arts & Lithuania (The World Lithuanian’s Illustrated Magazine of Science, Education and Culture), 1990, No 1, p. 21-31.
5. V.Straižys. "Voyager-2" ties Neptūnu. - Mokslas ir gyvenimas, 1990, Nr.3, p.11-12.
6. V.Straižys
. Kosminiai tyrimai paskutiniame tūkstantmečio dešimtmetyje. - Mokslas ir gyvenimas, 1990, Nr.11, p.4-5.

A.Kazlauskas. Saulės ir Mėnulio tekėjimas ir laida. 5-29

-"- Saulės ir Mėnulio pusiaujinės koordinatės. 30-43

-"- Planetų pusiaujinės koordinatės. 44-46

-"- Užtemimai. 47

S.Matulaitytė, L.Klimka. Datos, sukaktys, jubiliejai 1990 m. 48-69

R.Drazdys. Mūsų elektronografinė kamera. 71-78

E.Meištas. Šiukšlės kosmose. 79-95

V.Straižys. Neatpažintų skraidančių objektų istorija. 1944-1949 metai. 96-114

V.Straižys. Senovės baltų dievai ir deivės. 115-130