TY  - RPRT
TI  - Sedimentary environments and coal-forming mechanism of the Jurassic Yan'an Formation, Huangling mining area, Ordos Basin, China
AU  - Tian Ming
AU  - Mao Bangzhuo
AU  - Liu Shu
AU  - Zhang Yonglin
AU  - Han Changlin
AU  - Bion H. Kent
AU  - R.G. Hobbs
AU  - E. A. Johnson
AU  - W.S. Sigleo
PY  - 1989
DO  - 10.3133/ofr89180
UR  - https://pubs.usgs.gov/publication/ofr89180
ID  - ofr89180
ER  -