@article{196640,
      recid = {196640},
      author = {Brock, Robert D. and Murtagh, Lucinda K.},
      title = {Determination of chlorinated insecticides in bottom  sediment using an electron-capture gas chromatography  screening method, Austin, Texas, 1991 and 1992 [microform]  /},
      publisher = {U.S. Geological Survey :},
      address = {Denver, Colo. :},
      pages = {1 v.},
      year = {1994},
      note = {Distributed to depository libraries in microfiche.},
      url = {http://library.usi.edu/record/196640},
}