Cooperite from Luanping County, Chengde, Hebei, China
China | |
| Yu Zuxiang (1997): Acta Geologia Sinica 71(4), 329-331. |
| Bilun Luo (1979): Geology and Prospecting 15(3), 11-15 Yu Zuxiang, Lin Shujen, Chao Pao, Fang Chingsung, and Huang Chishun (1974): Acta Geologica Sinica 48(2), 202-218 |