George, David V <br/><br/>
Principles of quantum chemistry 
/ by David V. George 
 - New York  Pergamon Press  1972 
 - xii, 271 p. : ill. ; 24 cm. 
<br/><br/>p. 264-266. 
<br/><br/><label>ISBN: </label>0080169252 
<br/><br/><label>LCCN: </label>75-183544 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quantum chemistry