TY - RPRT TI - Petroleum geology of the Sichuan basin, China; report on U.S. Geological Survey and Chinese Ministry of Geology and Mineral Resources field investigations and meetings, October 1991 AU - R. T. Ryder AU - D. D. Rice AU - Sun Zhaocai AU - Zhang Yigang AU - Qiu Yunyu AU - Guo Zhengwu PY - 1994 DO - 10.3133/ofr94426 UR - https://pubs.usgs.gov/publication/ofr94426 ID - ofr94426 ER -