@article{764753,
      author = {Bischof, Günter, and Karner, Stefan, and Ruggenthaler,  Peter,},
      url = {http://library.usi.edu/record/764753},
      title = {The Prague Spring and the Warsaw Pact invasion of  Czechoslovakia in 1968 [electronic resource] /},
      publisher = {Lexington Books,},
      recid = {764753},
      pages = {xii, 510 p.},
      address = {Lanham, MD :},
      year = {2010},
}