Pfeffer E. <br/><br/>
Nitrogen and phosphorus nutrition of cattle reducing the environmental impact of cattle operations 

 - 1st 
 -  CABI Publishing, Wallingford  2005 
<br/><br/><label>ISBN: </label>81-89422-09-X 
<br/><br/><label>Dewey Class. No.: </label>636.085PFE