@article{417660,
      recid = {417660},
      author = {Schaie, K. Warner and Uhlenberg, Peter.},
      title = {Social structures demographic changes and the well-being  of older persons / [electronic resource] :},
      publisher = {Springer,},
      address = {New York :},
      pages = {xiii, 314 p.},
      year = {2007},
      url = {http://library.usi.edu/record/417660},
}