Jonathan E. Poulton 
Plant nitrogen metabolism 
 - New York  Plenum Press  1989 
 - 474p 
Jonathan E. Poulton; John T. Romeo & Eric E. Conn: Plant nitrogen metabolism.  New York.  Plenum Press, 1989. 0-306-43322-2--(581.13POU)   
ENGLISH 
0-306-43322-2 
581.13  / POU