@article{392837,
      author = {Boszhardt, Robert F.},
      url = {http://library.usi.edu/record/392837},
      title = {A projectile point guide for the Upper Mississippi River  Valley [electronic resource] /},
      publisher = {University of Iowa Press,},
      recid = {392837},
      pages = {viii, 91 p. :},
      address = {Iowa City :},
      year = {2003},
}