@article{264975,
      author = {Zhang, Yanhong. and Frost, Joyce K.},
      url = {http://library.usi.edu/record/264975},
      title = {Regional distribution of some elements in Illinois soils  /},
      publisher = {Illinois State Geological Survey,},
      recid = {264975},
      pages = {41 p. :},
      address = {Champaign, IL :},
      year = {2002},
}