Rhinos : conservation, economics, and trade-offs /
Michael 't Sas-Rolfes.
- London : IEA Environmental Unit, 1995.
- 69 p. ; 22 cm.
- IEA studies on the environment ; no. 4 .
Includes bibliographical references (p. 64-69).
0255363478
Rhinoceroses Wildlife conservation Wildlife conservation--Economic aspects Rhinoceros products industry