@article{413972,
      author = {Ver Ploeg, Michele. and Moffit, Robert A. and Citro,  Constance F.},
      url = {http://library.usi.edu/record/413972},
      title = {Studies of welfare populations data collection and  research issues / [electronic resource] :},
      publisher = {National Academy Press,},
      recid = {413972},
      pages = {x, 526 p. :},
      address = {Washington, DC :},
      year = {2002},
}