Dell, W R <br/><br/>
Britannica book of the year 1968 
W. R. Dell                                                   
 - Chicago  University of Chicago Press  1968 
 - 832p. 
<br/><br/><label>ISBN: </label>85229-001-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia-Year Books<br/>NASA Thesaurus
<br/><br/><label>Universal Decimal Class. No.: </label>031  / EBR-YB 68