@article{488510,
      author = {Caldwell, Andrew J.},
      url = {http://library.usi.edu/record/488510},
      title = {U.S. trade, protectionism and the global economic  downturn/},
      publisher = {Nova Science Publishers, Inc.,},
      recid = {488510},
      pages = {xiv, 130 p. :},
      address = {New York :},
      year = {2010},
}