Coulson, C. A. (Charles Alfred), 1910-1974. <br/><br/>
Valence 
by C. A. Coulson 
 - 2nd ed. 
 - London  Oxford University Press  1961 
 - 404 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Valence (Theoretical chemistry).