@article{91614,
      author = {Degens, Egon T., and Ross, David A.,},
      url = {http://library.usi.edu/record/91614},
      title = {The Black Sea--geology, chemistry, and biology.},
      publisher = {American Association of Petroleum Geologists,},
      recid = {91614},
      pages = {ix, 633 p.},
      address = {Tulsa, Okla.,},
      year = {1974},
}