@article{86642,
      author = {Hartmann, William K.},
      url = {http://library.usi.edu/record/86642},
      title = {Astronomy : the cosmic journey /},
      publisher = {Wadsworth Pub. Co.,},
      recid = {86642},
      pages = {xi, 536 p. :},
      address = {Belmont, Calif. :},
      year = {1978},
}