Russell, Colin Archibald. <br/><br/>
The history of valency 
[by] C. A. Russell. 
 - [New York]  Humanities Press  1971. 
 - xii, 373 p.  illus.  23 cm. 
<br/><br/> Based on the author's thesis, London University, 1962. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0391000330 
<br/><br/><label>LCCN: </label>72177927  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Valence (Theoretical chemistry)--History.
<br/><br/><label>LC Class. No.: </label>QD469  / .R87 1971 
<br/><br/><label>Dewey Class. No.: </label>541/.224/09