@article{63685,
      author = {Needham, James G. and Westfall, Minter J.},
      url = {http://library.usi.edu/record/63685},
      title = {A manual of the dragonflies of North America (Anisoptera)  : including the Greater Antilles and the provinces of the  Mexican border /},
      publisher = {University of California Press,},
      recid = {63685},
      pages = {xii, 615 p. :},
      address = {Berkeley :},
      year = {1975},
}