LAPEDES/ D.N.Ed.  <br/><br/>
Year book of science & technology 

 - New York  McGraw Hill  1978 
 - 417 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Science & technology
<br/><br/><label>Dewey Class. No.: </label>505