Conserving the world's Biological diversity. 

 - Washington :  World Bank,  1990. 
<br/><br/> This paper discusses the conservation of the world's Biological diversity. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological.<br/>Biologists -- Nature -- Conservation.--Biologists -- Nature -- Conservation.--Biologists -- Nature -- Conservation.
<br/><br/><label>LC Class. No.: </label>QH 75 CON 1990