Jeffares, Norman A. <br/><br/>
The scientific background 
Norman A. Jeffares                                           
 - London  Sir Isaac Pitman and Sons  1958 
 - xii, 306p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anthology<br/>NASA Thesaurus<br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>50(082)  / JEF