Hewitt E.J <br/><br/>
Recent Aspects of Nitrogen Metabolism in Plants 
/ by E.J Hewitt 
 - New York  Academic Press  1968 
 - 280p. 
<br/><br/><label>ISBN: </label>123462509 
<br/><br/><label>Dewey Class. No.: </label>581.192  / HEW/R