Willis, Malcolm . B. <br/><br/>
Dalton's introduction to practical animal breeding  / 
Malcolm B. Willis. 
 - 3rd ed. 
 - London :  Blackwell Scientific Publication,  1991. 
 - xiii,159 p. :  ill. 
<br/><br/><label>ISBN: </label>0632031263 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Livestock-Breeding---Genetics aspects.<br/>Dalton Clive-introduction to animal breeding.