Biodiversity information  needs and option 
edited by David L. Hawksworth, Paul M. Kirk and; Stella Dextre Clark. 
 - Oxon  CAB International  1996 
 - x, 194p., ill.; 23cm. 
<br/><br/><label>ISBN: </label>0-85199-183-1. 
<br/><br/><label>Dewey Class. No.: </label>025.0633395  / B54B