Stevens, Brian <br/><br/>
Atomic structure and valency 
B. Stevens 
 - London  Chapman & Hall  1962 
 - vii, 103 p. : ill. ; 19 cm. 
<br/><br/><label>ISBN: </label>0412206005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atoms<br/>Valence (Theoretical chemistry)