Reference Base Field report on Sumatran rhinos (Dicerorhinus sumatrensis...
Bastoni; Franklin, N.; Sriyanto; Tilson, R., 1997. Field report on Sumatran rhinos (Dicerorhinus sumatrensis) in Way Kambas National Park, Indonesia, October 1995 - December 1996. Confidential report , pp. 1-10