Brown, G. I. <br/><br/>
A simple guide to modern valency theory / 
G. I.  Brown. 
 - London :  Longmans,  c 1955. 
 - 174 p. :  ill. ;  19 cm. 
<br/><br/> Includes index. 
<br/><br/>311  311 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Valence (Theoretical chemistry)
<br/><br/><label>Dewey Class. No.: </label>541 / B812s