@article{419503,
      recid = {419503},
      author = {Lonergan, Edmund T.},
      title = {Extending life, enhancing life a national research agenda  on aging / [electronic resource] :},
      publisher = {National Academy Press,},
      address = {Washington, D.C. :},
      pages = {xii, 152 p. ;},
      year = {1991},
      url = {http://library.usi.edu/record/419503},
}