Atkins, Peter William <br/><br/>
Molecular quantum mechanics / P. W. Atkins. 

 - 2d ed. 
 - New York  Oxford University Press  1983. 
 - 471 p.  ill. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quantum chemistry.