@article{200616,
      recid = {200616},
      author = {Luoma, Samuel N.},
      title = {Trace metals in clams (Macoma balthica) and sediments at  the Palo Alto mudflat in south San Francisco Bay April,  1990 - April, 1991 / [microform] :},
      publisher = {U.S. Geological Survey ;},
      address = {Menlo Park, Calif. :},
      year = {1991},
      note = {Distributed to depository libraries in microfiche.},
      url = {http://library.usi.edu/record/200616},
}