@article{268434,
      recid = {268434},
      author = {Gilbert, Harry, and Smith, Diana Gilbert,},
      title = {Gravity, the glue of the universe history and activities /  [electronic resource] :},
      publisher = {Teacher Ideas Press,},
      address = {Englewood, Colo. :},
      pages = {1 online resource (xv, 207 p.) :},
      year = {1997},
      url = {http://library.usi.edu/record/268434},
}