Topel, David G <br/><br/>
The pork industry : problems and progress  / 
by   David G. Topel 
 - Ames  :  Iowa State University Press,  1968 
 - 236 p. :   ilus. 
 - .
<br/><br/>  
<br/><br/><label>LCCN: </label>165476 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ganado porcino--Mercadeo <br/>Ganado porcino--Nutrición <br/>Ganado porcino--Precios <br/>Industrias agrícolas
<br/><br/><label>Dewey Class. No.: </label>338.1764 T6