@article{57856,
      recid = {57856},
      author = {Lazarsfeld, Paul F., and Henry, Neil W.,},
      title = {Latent structure analysis},
      publisher = {Houghton, Mifflin},
      address = {New York,},
      pages = {ix, 294 p.},
      year = {1968},
      url = {http://library.usi.edu/record/57856},
}