Roberts, H. A. <br/><br/>
Weed control handbook 

 - 7 ed. 
 - Oxford :  British Crop Protection Council,  1982 
 - 533 p.  : ilus. ; gráfs. 
<br/><br/><label>LCCN: </label>49319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malas hierbas--Control.
<br/><br/><label>Dewey Class. No.: </label>632.58  / R6 1982