@article{712698,
      author = {Helle, Horst Jürgen.},
      url = {http://library.usi.edu/record/712698},
      title = {Messages from Georg Simmel [electronic resource] /},
      publisher = {Brill,},
      recid = {712698},
      pages = {ix, 201 p.},
      address = {Leiden ;},
      year = {2012},
}