McGraw-Hill Encyclopedia of Science and Technology 

 - 3 ed. 
 - New York :  McGraw-Hill,  1971 
 - 15 v.  : ilus 
<br/><br/> - - Yearbook 1970-71; 1971; 1972; 1973 - - Readers'guide - - Study guide 
<br/><br/><label>LCCN: </label>28184 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciencia--Diccionarios.<br/>Tecnología--Diccionarios.
<br/><br/><label>Dewey Class. No.: </label>503  / M3 1971