Kopal Zdenek <br/><br/>
Close binary systems 
Kopal Zdenek 
 -  1959 
 - p.  cm. 
 - International astrophysics series; 5 .
<br/><br/><label>Standard No.: </label>25480 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Stars<br/>Galaxie
<br/><br/><label>Dewey Class. No.: </label>B962:6, J9-;1