Christoffersen, Ralph E  <br/><br/>
Basic principles and techniques of molecular quantum mechanics  
/ by  Ralph E Christoffersen 
 - New York:  Springer-Verlag,  1989 . 
 - xiv, 686p. 
<br/><br/><label>ISBN: </label>0387967591 
<br/><br/><label>Dewey Class. No.: </label>541.28  / CHR/B