Briggs, Michael H     ed. <br/><br/>
Urea as a protein supplement  / 
por  Michael H. Briggs 
 - Oxford  :  Pergamon Press,  1967 
 - 466 p. 
 - .
<br/><br/>  
<br/><br/><label>LCCN: </label>167655 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Urea en alimentación animal I. Briggs, Michael H
<br/><br/><label>Dewey Class. No.: </label>636.087 B7