Rosenburg, Kenyon C <br/><br/>
Dictionary of library and educational technology 

 - Colorado:     Libraries Unlimited, Inc.,     1989 
 - 196p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>R 02+371.3(038)  / M3;M9