@article{118934,
      note = {Includes indexes.},
      author = {Brown, Jerram L.},
      url = {http://library.usi.edu/record/118934},
      title = {Helping and communal breeding in birds : ecology and  evolution /},
      publisher = {Princeton University Press,},
      recid = {118934},
      pages = {xv, 354 p. :},
      address = {Princeton, N.J. :},
      year = {1987},
}