@article{377319,
      recid = {377319},
      author = {Abenda, Simonetta. and Gaeta, Giuseppe, and Walcher,  Sebastian.},
      title = {Symmetry and perturbation theory proceedings of the  international conference SPT 2002, Cala Gonone, Sardinia,  Italy, 19-26 May 2002 / [electronic resource] :.  International Workshop on Symmetry and Perturbation Theory},
      publisher = {World Scientific,},
      address = {River Edge, NJ :},
      pages = {xi, 293 p. :},
      year = {2002},
      url = {http://library.usi.edu/record/377319},
}