@article{DBLP:journals/entcs/KurzP04,
  author    = {Alexander Kurz and
               Alessandra Palmigiano},
  title     = {Coalgebras and Modal Expansions of Logics},
  journal   = {Electr. Notes Theor. Comput. Sci.},
  volume    = {106},
  year      = {2004},
  pages     = {243-259},
  ee        = {http://dx.doi.org/10.1016/j.entcs.2004.05.010},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}