Comar, C. L. (Cyril Lewis),  1914- <br/><br/>
Radioisotopes in biology and agriculture :  principles and practice, 
by C. L. Comar. 
 - New York :  McGraw-Hill Book,  1955. 
 - xiii, 481 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioisotopes in biology.<br/>Radioisotopes in agriculture.