Brown, G I <br/><br/>
Simple guide to modern valency theory / 
Brown, G I 
 -  Longmans Green & Company, London,  1961 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Molecular bonds and valances; Theoretical chemistry
<br/><br/><label>Dewey Class. No.: </label>541.224 BRO-S