Biology and conservation of the river dolphins : proceedings of the Workshop on Biology and Conservation of the Platanistoid Dolphins held at Wuhan, People's Republic of China, October 28-30 1986 /
Workshop on Biology and Conservation of the Platanistoid Dolphins(Wuhan, China :1986)
Perrin, W. F.
Gland : International Union for Conservation of Nature and Natural Resources,
1989.
Dolphins.