@article{802416,
      author = {Piontelli, Alessandra,},
      url = {http://library.usi.edu/record/802416},
      title = {Twins from fetus to child / [electronic resource] :},
      publisher = {Routledge,},
      recid = {802416},
      pages = {x, 244 p. :},
      address = {London ;},
      year = {2002},
}