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

 - 152 páginas. 
 - Harper reprint series in plant physiology .
<br/><br/><label>Subjects--Topical Terms: </label><br/>FISIOLOGIA VEGETAL.<br/>NITROGENO.<br/>PLANTAS.
<br/><br/><label>Dewey Class. No.: </label>581.13