Molecular orbitals in chemistry, physics, and biology:  A tribute to R.S. Mulliken. 
Edited by Per-Olov Löwdin [and] Bernard Pullman. 
 - New York,  Academic Press,  1964. 
 - xiii, 578 p.  illus., port.  24 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Molecular orbitals 
<br/><br/><label>Dewey Class. No.: </label>541.22  / LOW