Parman, D. C <br/><br/>
Construction of the box type trap for eye gnats and blowflies  / 
D. C. Parman 
 - Washington  :   Department of Agriculture 
 - 4 h. 
 - EUA. Dept. of Agriculture  E-299 .
<br/><br/><label>LCCN: </label>203025 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trampas para insectos