Riggs, N. V. <br/><br/>
Quantum chemistry :  elementary principles and methods / 
N. V. Riggs. 
 - London :  Macmillan,  c1969. 
 - ix, 243 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quantum chemistry.
<br/><br/><label>Dewey Class. No.: </label>541.28 R569