@article{11613,
      author = {Astin, Alexander W.},
      url = {http://library.usi.edu/record/11613},
      title = {Four critical years : [effects of college on beliefs,  attitudes, and knowledge] /},
      publisher = {Jossey-Bass Publishers,},
      recid = {11613},
      pages = {xvi, 293 p. ;},
      address = {San Francisco :},
      year = {1978},
}