Comar, C. L.  1914- <br/><br/>
Radioisotopes in biology and agriculture /  principles and practice. 

 - New York :  McGraw-Hill,  1955. 
 - 481 p. :  illus. ;  24 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioisotopes in biology.<br/>Radioisotopes in agriculture.
<br/><br/><label>Dewey Class. No.: </label>540.3884  / COR 195514091