Webster, George Calvin. <br/><br/>
Nitrogen metabolism in plants/George C. Webster. 

 - Evanston :  Row, Peterson ;  [1959] 
 - 152 p. :  ill. ;  21 cm. 
 - Row-Peterson biological monographs<br/>. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Metabolism.<br/>Nitrogen--Metabolism.