Penn, W. S. <br/><br/>
High polymeric chemistry / 
W.S. Penn. 
 - London :  Chapman & Hall,  1949. 
 - xvi, 487 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polymers and polymerization.