TY - RPRT TI - Assessment of undiscovered conventionally recoverable petroleum resources of the Timan-Pechora Basin, U.S.S.R., and Barents-northern Kara Shelf AU - G. F. Ulmishek PY - 1982 DO - 10.3133/ofr821057 UR - https://pubs.usgs.gov/publication/ofr821057 ID - ofr821057 ER -