Title: Jingyang Xian guo tu zi yuan zhi /
Authors: Jingyang Xian (Shaanxi Sheng, China).
Publisher: Jingyang Xian guo tu zi yuan ju],
Year: 2011
Subjects: Natural resources China Jingyang Xian (Shaanxi Sheng) History.; Jingyang Xian (Shaanxi Sheng, China) History.