Sommaire du Fascicule no. 1

Solid particles in reflection nebulae. I.
p. 1
A note on the accuracy of photographic photometry with Schmidt telescope
p. 19
Photoelectric measurements of OB stars
p. 25-39
List of open star clusters in emission nebulae
p. 41-43
Obsah

Sommaire du Fascicule no. 2

O Dicmanově zobecnění p-podgrupy a Sylowovy podgrupy
p. 1-19
Normal tolerance limits base on mean range
p. 21-32
Atmospheric precipitation and directly measured cometary characteristic
p. 33-50
Precipitation activity in Western and Central Europe and in the United States in relation to the solar activity
p. 51-82
Contents