Goodwin, Derek H. <br/><br/>
Pig management and production :    /  
Goodwin, Derek H. 
 - 2a ed. 
 - Londres ;   Hutchinson Educational ,   1974 
 - 203 p. : il.  ;   22 cm. :    
<br/><br/><label>Subjects--Index Terms: </label>CERDOS PRODUCCION DE CERDOS 
<br/><br/><label>Universal Decimal Class. No.: </label>636