Cartmell, E.  <br/><br/>
Valency and molecular structure / 
E. Cartmell and G. W. A. Fowles. 
 -  2nd. 
 - New York,   Academic Press,   1961. 
 - 294 p.   illus.   22 cm. 
<br/><br/><label>ISBN: </label>0408690003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Valence (Theoretical chemistry) Molecules.
<br/><br/><label>LC Class. No.: </label>QD469 .C3 1961