Serengeti ecological monitoring programme : conservation monitoring in Tanzania - Programme report, September 1988 Author(s) Campbell, Kenneth L.
Ngorongoro Conservation Area : aerial survey of livestock and wildlife, 23-25 October 1987 : preliminary results of SRF survey Author(s) Perkin, Scott Campbell, Kenneth L.
Environmental monitoring in the Serengeti and Ngorongoro regions of Tanzania : quarterly report Author(s) Campbell, Kenneth L.
