Koopowitz, Harold <br/><br/>
Plant extinction : a global crisis 
Harold Koopowitz and Hilary Kaye and edited by Sabina Knees 
 - 2nd ed. 
 - London  Christopher Helm  c1990 
 - 208p.: front.,col.plates; 22cm. 
<br/><br/><label>ISBN: </label>0747018065 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants-Extinction
<br/><br/><label>Dewey Class. No.: </label>581.09  / KOO