1. K. Guo, H. Liu, H. Bao, Y. Zhao and G. Jiang (), Feline Research Center of Chinese State Forestry Administration, College of Wildlife Resources, Northeast Forestry University, CN-150040 Harbin, Heilongjiang, China.
2. J. Hu, S. Wang and W. Zhang, Inner Mongolia Hanma National Nature Reserve, Genhe, Inner Mongolia, China