@article{911220,
      author = {Albert, Mathias. and Buzan, Barry. and Zürn, Michael.},
      url = {http://library.usi.edu/record/911220},
      title = {Bringing sociology to international relations : world  politics as differentiation theory /},
      recid = {911220},
      pages = {1 online resource (295 pages) :},
}