@article{263602,
      recid = {263602},
      author = {Wilson, S. A.},
      title = {Total and water extractable selenium in soils and stream  sediments, and total selenium in alfalfa from the Marty II  study area, South Dakota [microform] /},
      publisher = {U.S Dept. of the Interior, U.S. Geological Survey,},
      address = {[Denver, CO] :},
      pages = {[3], 37 leaves :},
      year = {1990},
      note = {Cover title.},
      url = {http://library.usi.edu/record/263602},
}