Williams, Peter A. <br/><br/>
Ecology and management of invasive weeds / 
Peter A. Williams. 
 - Wellington, Nueva Zelanda :  Department of Conservation,  1997. 
 - 67 p. :  il., tablas ;  30 cm. 
 - Conservation sciences publication,  No. 7 .
<br/><br/><br/>Ingles 
<br/><br/><label>ISBN: </label>0478019564  Normal 
<br/><br/><label>Dewey Class. No.: </label>581.652