Coulson, C.A. <br/><br/>
Valence / 
C.A. Coulson. 
 - Oxford :  Clarendon Press,  1952 
 - 338 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Molecules.<br/>Chemical bonds.<br/>Valence