Gray, Harry B <br/><br/>
Electrons and chemical bonding 
Harry B. Gray 
 - New York  W. A. Benjamin  1964 
 - 223 p. : ill. ; 22 cm. 
<br/><br/>p. 212-213. 
<br/><br/><label>LCCN: </label>64-022275 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrons<br/>Chemical bonds