Sommaire du Fascicule no. 1

Contents
Microseisms and the importance of their world-wide study
p. 3-12
Teoretické hodochrony seismických vln v jednovrstevné nehomogenní zemské kůře
p. 13-79
Řádové odhady veličin $b_n=E[(X_n-\Theta)^2]$ pro Fabianovu stochastickou aproximační metodu
p. 81-86

Sommaire du Fascicule no. 2

General catalogue of original and future comet orbits
p. 3-66
Absolut brightness of comet Ikya-Seki 1965 f and of other comets of Kreutz's group
p. 67-72
Accretion process in comets
p. 73-82
Publications
p. [83]
Contents