@article{240642,
      recid = {240642},
      author = {Luoma, Samuel N.},
      title = {Trace metals in clams (Macoma balthica) and sediments at  the Palo Alto mudflat in south San Francisco Bay May  1991-May, 1992 / [microform] :},
      publisher = {U.S. Geological Survey ;},
      address = {Menlo Park, Calif. :},
      pages = {iii, 51 leaves :},
      year = {1992},
      url = {http://library.usi.edu/record/240642},
}