@article{20841,
      recid = {20841},
      author = {Graves, Donald Hubert,},
      title = {Direct-seeding of commercial trees on surface-mine spoil  /},
      publisher = {Industrial Environmental Research Laboratory, Office of  Research and Development, U.S. Environmental Protection  Agency,},
      address = {Cincinnati :},
      pages = {iii, 10 p. ;},
      year = {1980},
      url = {http://library.usi.edu/record/20841},
}