Antal, M., Klobusnik, J., Pittich, E.M., Schalling, P., Svoren, J.: 1980, `Observations made at the Skalnate Pleso Observatory in the years 1972-1979', Minor Planet Circ., 5460-5461. Antalova, A.: 1980, `Pre-flare photospheric situation', in: 10. Konsultativtagung uber Sonnenphysik, Vortragszusammenfassungen, 5.3, Akademie Wissenschafn, Potsdam, pp. 5-6. Antalova, A.: 1980, `Prederupcna fotosfericka situacia', in: Zbornik referatov z 5. celostatneho slnecneho seminara, Povazska Bystrica, maj 1980, SUAA, Hurbanovo, pp. 38-48. Ceplecha, Z., Bocek, J., Jezkova, M., Porubcan, V., Polnitzky, G.: 1980, `Photographic data on the Zvolen fireball (EN 270579, May 27, 1979) and suspected meteorite fall', Bull. Astron. Inst. Czechosl. 31, 176-182. Chochol, D., Grygar, J., Hric, L.: 1980, `A binary model for the symbiotic star V 1329 Cygni', in: Close binary stars: observations and interpretation, Proc. IAU Symp. No. 88, eds. Plavec, M.J., Popper, D.M., Ulrich, R.K., Reidel, Dordrecht, pp. 547-547. Chochol, D., Tremko, J.: 1980, `Possible binary nature of FU Orionis stars.', in: Proceedings of the Physics and Evolution of Stars Coop.:"Flare stars, fuors and Herbig-Haro objects", Byurakan, pp. 240-244. Chochol, D.: 1980, `Close binary SZ Camelopardalis - a semidetached system.', Bull. Astron. Insts. Czechosl. 31, 321-343. Hajduk, A., Pittich, E., Mcintosh, B.A.: 1980, `Changes in radar meteor echo rates at sunrise', Contrib. Astron. Obs. Skalnate Pleso 9, 115-120. Hajduk, A., Prikryl, P.: 1980, `Meteor echo drifts and echo durations', Contrib. Astron. Obs. Skalnate Pleso 9, 121-124. Hajduk, A., Simek, M.: 1980, `Lyridy 1978 a 1979 pozorovane so zmenou smeru radaru', Meteoricke spravy 3, 19-22. Hajduk, A.: 1980, `Casopriestorove dimenzie biosystemov Metagalaxii', in: Filozoficke a metodologicke problemy prirodnich ved, eds. J. Dubnicka, I. Zapletal, Praha, pp. 163-175. Hajduk, A.: 1980, `Konfrontacia kozmologickych teorii s pozorovaniami', in: Relativita a kozmologia, SAS pri SAV, pp. 46-71. Hajduk, A.: 1980, `Pohyb efektivneho bodu odrazu pozdlz meteorickej stopy', Meteoricke spravy 3, 27-28. Hajduk, A.: 1980, `The core of the meteor stream associated with Comet Halley', in: Solid Particles in the Solar System, eds. Halliday, I., McIntosh, B.A., Reidel, Dordrecht, pp. 149-152. Hric, L., Chochol, D., Grygar, J.: 1980, `Spectroscopy of the nova-like object Kuwano (Nova Vulpeculae 1979) in the year 1979.', IAU Comm. 27th Inf. Bull. on Var. Stars, 1-4. Kapisinsky, I.: 1980, `Povod a dynamika Beta-mikrometeoroidov', Astron. ustav SAV, Bratislava, 1-145. Kreiner, J.M., Tremko, J.: 1980, `Analysis of the change of period and the photometry of the minima of the eclipsing binary system TX Ursae Maioris', Bull. Astron. Inst. Czechosl. 31, 343-351. Kresak, L.: 1980, `Dynamics, interrelations and evolution of the systems of asteroids and comets', Moon and Planets 22, 83-98. Kresak, L.: 1980, `Instrumental effects on the apparent brightness changes of comets', IAU Trans. 17, 164-165. Kresak, L.: 1980, `Sources of interplanetary dust', in: Solid Particles in the Solar System, eds. I. Halliday, B. A. McIntosh, pp. 211-222. Kresak, L.: 1980, `Tanguska 1908: fragment van de komeet van Encke', Radiant 2, 55-61. Kriz, S.,, Arsenievic, J., Grygar, J., Harmanec, P., Horn, J., Koubsky, P., Pavlovski, K., Zverko, J., Zdarsky, F.: 1980, `Strongly interacting binary RX Cas', Bull. Astron. Inst. Czechosl. 31, 284-292. Letfus, V., Kulcar, L., Sykora, J.: 1980, `On the possibility of identifying coronal holes on synoptic maps of the green corona', in: Solar and Interplanetary Dynamics, eds. M. Dryer, E. Tandberg-Hanssen, D. Reidel Publ. Co., Dordrecht, pp. 49-53. Porubcan, V., Kresakova, M., Stohl, J.: 1980, `Geminid meteor shower. Activity and magnitude distribution', Contrib. Astron. Obs. Skalnate Pleso 9, 125-144. Porubcan, V.: 1980, `Meteoricke roje', in: Astronomicky kalendar 1981, ed. E. Pittich, Krajska hvezdaren Hlohovec, Nitra, pp. 76-78. Porubcan, V.: 1980, `Rozdelenie vzdialenosti Geminid a vychod Slnka', Meteoricke spravy 3, 14-18. Rusin, V.: 1980, `Intensities of the Emission Line 530.3 nm Observed at Lomnicky Stit in the Years 1971-1976', Contrib. Astron. Obs. Skalnate Pleso 9, 7-35. Rusin, V.: 1980, `Pozorovanie uplneho zatmenia Slnka 16. februara 1980', in: Zbornik referatov z 5. celostatneho slnecneho seminara, SUAA Hurbanovo, Hurbanovo, pp. 127-135. Rusin, V.: 1980, `The N-S Asymmetry of the Solar Emission Corona in the Years 1965-1978', Bull. Astron. Inst. Czechosl. 31, 9-13. Rusin, V.: 1980, `Vznik a vyvoj Slnka', in: Metodicky material, Okresna ludova hvezdaren Humenne, Humenne, pp. 15-26. Rybansky, M., Tjagun, N.F.: 1980, `Effekt projekcii pri rassmatrenii aktivnych solnechnych javlenii v galakticheskoj sisteme koordinat', Pisma v Astron.Zh. 6, 179-181. Rybansky, M., Tjagun, N.F.: 1980, `Koronalnyje obrazovanija v linii 284 A i poljarnosti fotosfernych magnitnych polej', in: Issled. po geomagn., aeronomii i fiz. Solntca, ed. /, /, Irkutsk, pp. 14-15. Rybansky, M.: 1980, `Coronal index of the solar activity IIa', Contrib. Astron. Obs. Skalnate Pleso 9, 37-113. Rybansky, M.: 1980, `Photometry of the monochromatic corona 530.3 nm observed at Lomnicky Stit on February 16, 1980', Bull. Astron. Inst. Czechosl. 31, 316-318. Sykora, J.: 1980, `Summary of the Czechoslovak corona observations', Bull. Astron. Soc. India 8, 73-79. Sykora, J.: 1980, `The coronal responses to the large-scale and long-term phenomena of the lower layers of the Sun. Invited paper', in: Solar and Interplanetary Dynamics, eds. M. Dryer, E. Tandberg-Hanssen, D. Reidel Publ. Co., Dordrecht, pp. 87-104. Sykora, J.: 1980, `Vedecky program expedicie Astronomickeho ustavu SAV za zatmenim Slnka do Indie', Kozmos 11, 107-116. The, P.S., Bakker, R., Antalova, A.: 1980, `Studies of the Carina Nebula: IV. A new determination of the distances of the open clusters Tr 14, Tr 16 and Cr 228 based on the Walraven ph', Astron. Astrophys., Suppl. Ser. 41, 93-107. The, P.S., Bakker, R., Antalova, A.: 1980, `Studies of the Carina nebula: IV. A new determination of the distances of the open clusters Tr14, Tr15, Tr16, Cr228 based on Walraven photom', Astron. Astrophys. 87, 254. Tremko, J., Bakos, G.A.: 1980, `Analysis of the light curve, orbital elements and the period changes of U Cephei', Contrib. Astron. Obs. Skalnate Pleso 9, 163-190. Tremko, J., Bakos, G.A.: 1980, `Variations of the light curve of the eclipsing binary EM Cephei', J. Roy. Astron. Soc. Can. 74, 321-326. Ziznovsky, J.: 1980, `A chemically peculiar star HR 6127 I. Spectral line identification', Bull. Astron. Inst. Czechosl. 31, 26-39. Ziznovsky, J.: 1980, `A chemically peculiar star HR 6127 II. Detailed analysis', Bull. Astron. Inst. Czechosl. 31, 300-302. Zvolankova, J.: 1980, `Vztahy medzi fluxom, frekvenciou a zmenami aktivity meteorickych rojov', Astronom. ustav SAV, Bratislava, pp. 1-143.