Title: Yudu Xian ren da zhi /
Authors: Zhu, Renxu.
Publisher: Yudu Xian ren da chang wei hui ban gong shi, Yudu Xian di fang zhi ban gong shi, 1997.1997.
Year: 1997
Subjects: Yudu Xian (China). History.; Yudu Xian (China) History.