Cronk, Q.C.B.  . <br/><br/>
Plant invaders the threat to natural econsystems /  
by Quentin C B. Cronk and J. L. Fuller. 
 - London :   Earthscan Publications Ltd. ,   2001 
 - 248p ;  
<br/><br/><label>ISBN: </label>1-85383-782-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J(X:531)  / P1;1