Grazio, John W. De  <br/><br/>
Progress of vertebrate pest management in agriculture, 1966-1982 / 
John W. De Grazio. 
 - Denver, Colorado :  U.S. Fish and Wildlife Service ;  Denver Wildlife Research Center,  1984. 
 - ii., 56 p. ;  il., mapas ;  27 cm. 
<br/><br/><br/>inglés 
<br/><br/><label>Subjects--Index Terms: </label>Pests Plagas 
<br/><br/><label>Dewey Class. No.: </label>632.6