Brown, G. I. <br/><br/>
A new guide to modern valency theory 
G. I. Brown ; with a foreword by L. E. Sutton. 
 - New completely revised ed. 
 - London,  Longmans  c1967. 
 - 238p.  tables, diagrs.  22cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0068088717 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Valence (Theoretical chemistry)