@article{241159,
      note = {Distributed to some depository libraries in microfiche.},
      author = {Law, B. E.},
      url = {http://library.usi.edu/record/241159},
      title = {Vitrinite reflectance data from Cretaceous and Tertiary  rocks, San Juan Basin, New Mexico and Colorado /},
      publisher = {U.S. Geological Survey,},
      recid = {241159},
      pages = {18 leaves :},
      address = {[Denver, CO :},
      year = {1990},
}