Ashbrook, F. G <br/><br/>
The self-feeder for hogs  / 
F. G. Ashbrook and R. E. Gongwer 
 - Washington  :   Department of Agriculture 
 - 12 p. 
 - EUA. Dept. of Agriculture Farmers' bull.; 906 .
<br/><br/><label>LCCN: </label>203600 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Porquerizas  Ganado porcino -- Alojamiento