1. 1989. Distribution, population size and protection of Lipotes vexillifer. In Biology and Conservation of the River Dolphins. Occasional Paper of the IUCN Species Survival Commission (SSC), Vol. 3, Perrin WF, Brownell RL, Zhou K, Liu J (eds), 81-85.
2. 1997. Biology of Baiji, and its Rearing and Conservation. Science Press: Beijing.