Murrell, J N, et al. <br/><br/>
Valence theory 

 - 2 
 -  English Language Book Society, London  1974 
 - 428 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Molecular bonds and valances; Theoretical chemistry
<br/><br/><label>Dewey Class. No.: </label>541.224  MUR-V2