@article{293039,
      author = {Segal, Nancy L.,},
      url = {http://library.usi.edu/record/293039},
      title = {Indivisible by two : lives of extraordinary twins /},
      publisher = {Harvard University Press,},
      recid = {293039},
      pages = {280 p. :},
      address = {Cambridge, Mass. :},
      year = {2005},
}