Take only photographs leave only footprints: the envinmental impacts of wildlife tourism 
By Dils Roe, Nigel Leader-Williams and Barry Dalal-Clayton 
 - London:  International Institute for Environment and Development  1997 
 - xii, 83p. ;ill 
 - IIED Wildlife and Development Series .
<br/><br/> Series number 10 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WILDLIFE--TOURISM, ENVIRONMENTAL IMPACTS<br/>WILDLIFE CONSERVATION
<br/><br/><label>LC Class. No.: </label>IIED(08)