The raw ivory trade 1979-1987 : a consultant report for Parties to the Convention on Trade in Endangered Species of Wild Fauna and Flora through the Secretary General 1989 Parker, I. S. C. (Ian S. C.) |
Elephants and their habitats : the ecology of elephants in north Bunyoro, Uganda Laws, R. M. | Parker, I. S. C. (Ian S. C.) | Johnstone, R. C. B. |