Williams, Peter A. <br/><br/>
Assessing the risk to indigenous New Zealand biota from new exotic plant taxa and genetic material / 
Peter A. Williams ... [et al.]. 
 - Wellington, Nueva Zelanda :  Department of Conservation,  2000. 
 - 44 p. ;  30 cm. 
 - Science for conservation ;  143 .
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label>047821944X  Normal 
<br/><br/><label>Dewey Class. No.: </label>581.65