@article{149055,
      author = {Mitchell, Olivia S.},
      url = {http://library.usi.edu/record/149055},
      title = {As the workforce ages : costs, benefits, and policy  challenges /},
      publisher = {ILR Press,},
      recid = {149055},
      pages = {xi, 280 p. :},
      address = {Ithaca, N.Y. :},
      year = {1993},
}