郑生武。1994。中国西北地区珍惜濒危动物志。

Zheng SW. 1994. Fauna of Rare and Endangered Species of Vertebrates in Northwest China.

youdao

郑生武。1994。中国西北地区珍惜濒危动物志。

Zheng SW. 1994. Fauna of Rare and Endangered Species of Vertebrates in Northwest China.

youdao