@article{196201,
      note = {Distributed to depository libraries in microfiche.},
      author = {Werner, Stephen L. and Burkhardt, M. R. and DeRusseau,  Sabrina N.},
      url = {http://library.usi.edu/record/196201},
      title = {Methods of analysis by the U.S. Geological Survey National  Water Quality Laboratory determination of pesticides in  water by Carbopak-B solid-phase extraction and  high-performance liquid chromatography / [microform] :},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey :},
      recid = {196201},
      pages = {vi, 42 p. ;},
      address = {Denver, Colo. :},
      year = {1996},
}