Duncan, J. F.  1921- <br/><br/>
Isotopes in chemistry / 
by J.F. Duncan & G.B. Cook. 
 - Oxford :  Clarendon Press,  1968. 
 - xv, 258 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Isotopes.