Pitt, Valerie <br/><br/>
Science Encyclopedia 
/ by Valerie Pitt 
 - London :  Hamlyn,  1973 
 - 256 p. 
<br/><br/><label>ISBN: </label>0-600-39512-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>503  / PIT-S