TY - RPRT TI - Geology and natural gas potential of deep sedimentary basins in the former Soviet Union AU - T. S. Dyman AU - V.A. Litinsky AU - G. F. Ulmishek PY - 1999 DO - 10.3133/ofr99381 UR - https://pubs.usgs.gov/publication/ofr99381 ID - ofr99381 ER -