Volume 5 (1972)

Title Page

Contents

UNE UTILISATION ÉVENTUELLE DES GRANDS LABORATOIRES COSMIQUES ORBITAUX. LUNE ARTIFICIELLE
N. Boneff (in Russian, Summary in French)

LA DISTRIBUTION DES CRATÈRES SUR LA LUNE ET MARS EN RAPPORT À LEUR ORIGINE
N. Boneff (in Bulgarian, Summary in French)

DETERMINATION OF THE SUB-SATELLITE POINTS FOR EPHEMERIDAL REQUIREMENTS
V. Shkodrov, L. Kouzmanov, V. Ivanova (in Bulgarian, Summary in English)

RÉPARTITION EN LATITUDE HÉLIOGRAPHIQUE DES PROTUBÉRANCES REMARQUABLES DES DEUX HÉMISPHÉRES DU SOLEIL
PENDANT LES CYCLES DE 11 ANS No.18 ET No.19 DE L’ACTIVITÉ SOLAIRE
A. Bonov, Vl. Dermendjiev (in Bulgarian, Summary in French)

UNE RELATION ENTRE LES ÉLÉMENTS FONDAMENTAUX DU CYCLE DE 22 ANS DE L’ACTIVITÉ SOLAIRE
A. Bonov (in Bulgarian, Summary in French)

RELATIONS ENTRE LES ÉLÉMENTS DU CYCLE DE 22 ANS D’ACTIVITÉ SOLAIRE
A. Bonov (in Bulgarian, Summary in French)

A SPECTROPHOTOMETRIC STUDY OF THE κ KASSIOPEAE. IV
B. Kovachev (in Bulgarian, Summary in English)

PHOTOELECTRIC OBSERVATIONS OF METALLIC-LINE STARS IN THE SEVEN-COLOR VILNIUS SYSTEM
D. Raikova (in Bulgarian, Summary in English)

ON THE LUMINOSITY FUNCTION OF THE M67 STAR CLUSTER
M. Popova (in Bulgarian, Summary in English)

CERTAIN RELATIONSHIP BETWEEN THE PHOTOMETRIC CHARACTERISTICS OF THE LIGHT CURVES AND THE COLOR INDICES
OF THE CEPHEIDS IN THE U, B, V SYSTEM. II
N. Nikolov, G. Momchev (in Russian, Summary in English)

L’HYPOTHÈSE COSMOLOGIQUE DE GAMOW EST-ELLE CONFIRMÉE
A. Polikarov (in French)

MEASUREMENTS OF DIAMETERS OF GALAXIES ON THE PALOMAR OBSERVATORY SKY SURVEY
M. Kalinkov, K. Stavrev, D. Karadjov, N. Mihnevsky

SURFACE DISTRIBUTION OF THE INTERACTING AND NORMAL GALAXIES AROUND THE NORTH GALACTIC POLE
M. Kalinkov, N. Spassova (in Bulgarian, Summary in English)

ON THE EXISTENCE OF CLUSTERS OF GALAXIES OF SECOND ORDER
M. Kalinkov (in Bulgarian, Summary in English)