@article{152628,
      recid = {152628},
      author = {Pratt, L. M. and Comer, John B. and Brassell, Simon C. and  Droppo, Ruth.},
      title = {Geochemistry of organic matter in sediments and  sedimentary rocks : text for short course no. 27 /},
      publisher = {SEPM (Society for Sedimentary Geology),},
      address = {Tulsa, Okla. :},
      pages = {100 p. :},
      year = {1992},
      url = {http://library.usi.edu/record/152628},
}