Czechoslovak academy of sciences  the Slovak Academy of Sciences1967: handbook 

 - Prague  Czechoslovak Academy of Science  1968 
 - 338p.  ill.  20cm 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Studying and teaching
<br/><br/><label>Dewey Class. No.: </label>500  / CZE