剧情简介：Mongolia became a satellite of the Soviet Union in the mid-1920s, and for nearly seven decades effectively closed its doors to the outside world. Biologist George Schaller initially visited the country in 1989, and was one of the first Western scientists allowed to study and assess the conservation status of Mongolia’s many unique, native wildlife species. Schaller made a numbe...(展开全部)
作者：George B. Schaller
出版社：Yale University Press
ISBN：9780300246179
