Van soest peter j. <br/><br/>
Nutritional ecology of the ruminant 

 - London   Comstock publishing  1994 
<br/><br/><label>ISBN: </label>978-0-8014-2772-5 
<br/><br/><label>LC Class. No.: </label>636.20852/VAN 
<br/><br/><label>Dewey Class. No.: </label>636.20852/VAN