Webster, George Calvin. <br/><br/>
Nitrogen metabolism in plants / 
George C. Webster. 
 - New York :  Harper & Row,  1959. 
 - 152 p. :  ill. ;  21 cm. 
 - Row-Peterson biological monographs .
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plants--Metabolism.<br/> Nitrogen--Metabolism.