Berg, Roy Torgny,  1927- <br/><br/>
New concepts of cattle growth foreword by St. C. S. Taylor 
Roy T. Berg, Rex M. Butterfield 
 - New York  Wiley  1976 
 - xiv, 240 p.  ill  22 cm. 
<br/><br/> "A Halsted Press book." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cattle--Growth
<br/><br/><label>Dewey Class. No.: </label>636.2  / 08  / 926