Willis,Malcolm B. <br/><br/>
Dalton's Introduction to Practical Animal Breeding 

 - USA  Blackwell Science  1991 
<br/><br/><label>ISBN: </label>0-632-04947-2 
<br/><br/><label>LC Class. No.: </label>636.082/WIL  / 5 
<br/><br/><label>Dewey Class. No.: </label>636.082/WIL  / 5