Nguyen, T.D. <br/><br/>
Winrock model for simulating ruminant production systems / 
T.D. Nguyen, H.A. Fitzhugh 
 - Morrilton, Arkansas:  Winrock International Livestock Research and Training Center,  1977 
 - [109]p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Beef cattle--Feeding and feeds--Mathematical models