@article{387509,
      author = {Eicher, Theo S. and Henn, Christian,},
      url = {http://library.usi.edu/record/387509},
      title = {In search of WTO trade effects: preferential trade  agreements promote trade strongly, but unevenly /},
      publisher = {International Monetary Fund,},
      recid = {387509},
      pages = {30 p.},
      address = {[Washington D.C.] :},
      year = {2009},
}