@article{263459,
      note = {Cover title.},
      author = {Ulmishek, Gregory F.},
      url = {http://library.usi.edu/record/263459},
      title = {Annotated bibliography of tectonostratigraphic and organic  geochemical characteristics of upper Precambrian Rocks  related to their petroleum potential [microform] /},
      publisher = {U.S. Geological Survey,},
      recid = {263459},
      pages = {i, 33 leaves ;},
      address = {[Denver, Colo.] :},
      year = {1989},
}