P.E. Hughes <br/><br/>
Reproduction in the pig 

 - London  Butterworths  1980 
 - 241p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-408-70921-9PB 
<br/><br/><label>Dewey Class. No.: </label>636.408926  / HUG