Compiled & Edited By-Science Service. <br/><br/>
Science News Yearbook. 

 - 1st Ed. 
 -  kognet  1970 
 - 434p.  22 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>REF
<br/><br/><label>Dewey Class. No.: </label>REF-485  / COM