@article{455437,
      author = {Massey, Douglas S.},
      url = {http://library.usi.edu/record/455437},
      title = {Categorically unequal : the American stratification system  /},
      publisher = {Russell Sage Foundation,},
      recid = {455437},
      pages = {xvii, 319 p. :},
      address = {New York :},
      year = {2007},
}