Mengel, K. <br/><br/>
Nitrogen metabotism of plants  K. Mengel. 

 - Oxford  Clarendon Press  1992 
 - ix, 289p., ill. 23cm. 
<br/><br/><label>ISBN: </label>0-19-857752-4. 
<br/><br/><label>Dewey Class. No.: </label>581.1335,  / M54N