Cartmell, E <br/><br/>
Valency and molecular structure 
E. Cartmell                                               
 - London  Butterworths  1958 
 - xi, 256p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atomic structure<br/>Chemistry<br/>NASA thesaurus<br/>Valency
<br/><br/><label>Universal Decimal Class. No.: </label>541  / CAR