Wolf, George,  1922- <br/><br/>
Isotopes in biology / 
G. Wolf. 
 - New York :  Academic Press,  1964. 
 - x, 173 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioisotopes in biology