Jiang Jinde について
Coll. of Geography and Environmental Sci.,North-west Normal Univ., Lanzhou について
Zhao Xueyan について
Coll. of Geography and Environmental Sci.,North-west Normal Univ., Lanzhou について
Zhang Fangyuan について
Coll. of Geography and Environmental Sci.,North-west Normal Univ., Lanzhou について
Changjiang Liuyu Ziyuan Yu Huanjing について