National Research Council. Washington, D. C. <br/><br/>
Ruminat nitrogen usage  / 
by NRC 
 - Washington, D. C.  :  National Academy of Sciences,  1985 
 - 138 p 
 - .
<br/><br/>  
<br/><br/><label>LCCN: </label>164166 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrógeno en nutrición animal <br/>Rumiantes--Nutrición I. National Academy of Sciences. Washington
<br/><br/><label>Dewey Class. No.: </label>636.2 N3