@article{1365408,
      recid = {1365408},
      author = {Marsden, Jerrold E., and Montgomery, R. and Ratiu, T.,},
      title = {Reduction, symmetry, and phases in mechanics /},
      pages = {1 online resource (118 pages) :},
      note = {"November 1990, Volume 88, Number 436 (first of 2  numbers)"--Cover.},
      url = {http://library.usi.edu/record/1365408},
}