Brown, G. I. <br/><br/>
A simple guide to modern valency theory 

 - London  ; Longmans  , 1964 
 - 174p. 
<br/><br/><label>ISBN: </label> 18.90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry<br/>Valency Theory
<br/><br/><label>Dewey Class. No.: </label>540  / BRO