@article{196973,
      recid = {196973},
      author = {Wilson, S. A.},
      title = {Assessment of chemical variability in three independently  prepared batches of National Institute for Standards and  Technology SRM 2704, Buffalo River Sediment [microform] /},
      publisher = {U.S. Dept. of the Interior, Geological Survey :},
      address = {[Denver, CO] :},
      pages = {23 leaves ;},
      year = {1994},
      note = {Distributed to depository libraries in microfiche.},
      url = {http://library.usi.edu/record/196973},
}