@article{461157,
      author = {Kaufmann, Florian K.},
      url = {http://library.usi.edu/record/461157},
      title = {Mexican labor migrants and U.S. immigration policies from  sojourner to emigrant? / [electronic resource] :},
      publisher = {LFB Scholarly Pub.,},
      recid = {461157},
      pages = {xiii, 216 p. :},
      address = {El Paso [Tex.] :},
      year = {2011},
}