@article{928009,
      note = {Revised edition of: Pictorial key to genera of  plant-parasitic nematodes. Fourth edition 1975.},
      author = {Mai, W. F., and Mullin, Peter G., and Lyon, Howard H., and  Loeffler, Kent,},
      url = {http://library.usi.edu/record/928009},
      title = {Plant-parasitic nematodes : a pictorial key to genera /},
      recid = {928009},
      pages = {1 online resource (viii, 277 pages) :},
}