Grolier concise encyclopedia of science & technology / 
Sybil P. Parker, editor in chief 
 - Danbury, Conn., :  Grolier International,  1984 
 - v,  ill. ;  29 cm. 
<br/><br/> First published 1978 by Mc Graw-Hill 
<br/><br/>Includes index Bibliography : p.  1917 -1939 
<br/><br/><label>ISBN: </label>0717285251 
<br/><br/><label>LCCN: </label>83-026794 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Dictionaries<br/>Tecnology--Dictionaries