@article{61363,
      url = {http://digitallibrary.un.org/record/61363},
      title = {Levels and trends of fertility in Sri Lanka : a  district-level analysis.},
      publisher = {UN ;},
      recid = {61363},
      pages = {v, 48 p. :},
      address = {New York :. 1986},
      year = {1986},
}