@article{361231,
      recid = {361231},
      author = {Hartman, John Richard, and Pirone, T. P. and Sall, Mary  Ann.},
      title = {Pirone's tree maintenance [electronic resource] /},
      publisher = {Oxford University Press,},
      address = {Oxford ;},
      pages = {ix, 545 p. :},
      year = {2000},
      note = {Rev. ed. of: Tree maintenance / P.P. Pirone ... [et al.].   6th ed. 1988.},
      url = {http://library.usi.edu/record/361231},
}