@article{213131,
      recid = {213131},
      author = {O'Meara, Stephen James,},
      title = {The Messier objects /},
      publisher = {Sky Pub. Corp. ;},
      address = {Cambridge, Mass. :},
      pages = {xiv, 304 p. :},
      year = {1998},
      note = {"Deep-sky companions."},
      url = {http://library.usi.edu/record/213131},
}