Koopowitz, Harold <br/><br/>
Plant extinction  a global crisis 
byHarold Koopowitz and, Hilary Kaye; edited by Sabima Kness. 
 - 2nd ed. 
 - London  Christopher Helm  1990 
 - x, 208p., ill.; 21cm. 
<br/><br/> Include index.I. Title 
<br/><br/><label>ISBN: </label>0-7470-1806-5. 
<br/><br/><label>Dewey Class. No.: </label>581.2  / K94P