Reports of the WPSA, working groups, symposia 

 - Braunsehwsig :  World's Poultry Science Association,  1980 
 - 4 v.  ; gráfs. 
<br/><br/><label>LCCN: </label>42768 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Avicultura--Congresos.
<br/><br/><label>Dewey Class. No.: </label>636.5063  / E8 1980