Hansen, Richard M <br/><br/>
New dispenser aids gopher control  / 
Richard M. Hansen 
 - Fort Collins, Col.  :   Colorado A and M College 
 - 8 p. 
<br/><br/><label>LCCN: </label>202457 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tuzas  Roedores -- Exterminio