@article{150490,
      author = {Theerman, Paul Harold, and Seeff, Adele F.},
      url = {http://library.usi.edu/record/150490},
      title = {Action and reaction : proceedings of a symposium to  commemorate the tercentenary of Newton's Principia /},
      publisher = {University of Delaware Press ;},
      recid = {150490},
      pages = {324 p. :},
      address = {Newark, Del. :},
      year = {1993},
}