de, I., Tchamba, M., Tamis, W., Van’t, Z., Prins, H., de, H., Bauer, H. and Tiawoun, S. (1999) “Results of four years’ satellite tracking of elephants in northern Cameroon”, Pachyderm, 27(1), pp. 62–65. doi: 10.69649/pachyderm.v27i1.974.