@article{1456757,
      recid = {1456757},
      author = {Koven, Steven G. and Gotzke, Frank.},
      title = {American immigration policy: confronting the nation's  challenges /},
      publisher = {Springer,},
      address = {New York :},
      pages = {1 online resource (xii, 236 pages).},
      year = {2010},
      url = {http://library.usi.edu/record/1456757},
}