TY - RPRT TI - Annotated bibliography of tectonostratigraphic and organic geochemical characteristics of upper Precambrian Rocks related to their petroleum potential AU - G. F. Ulmishek PY - 1989 DO - 10.3133/ofr9063 UR - https://pubs.usgs.gov/publication/ofr9063 ID - ofr9063 ER -