@article{200620,
      note = {Distributed to depository libraries in microfiche.},
      author = {Matthes, Wilbur J. and Sholar, Clyde J. and George, John  R.,},
      url = {http://library.usi.edu/record/200620},
      title = {Quality-assurance plan for the analysis of fluvial  sediment by laboratories of the U.S. Geological Survey  [microform] /},
      publisher = {U.S. Geological Survey ;},
      recid = {200620},
      pages = {vi, 31 p. :},
      address = {Iowa City, Iowa :},
      year = {1992},
}