@Inproceedings{EPTCS40.10,
  author    = {Feret, Jerome  and Henzinger, Thomas and Koeppl, Heinz  and Petrov, Tatjana },
  year      = {2010},
  title     = {Lumpability Abstractions of Rule-based Systems},
  editor    = {Ciobanu, Gabriel and Koutny, Maciej},
  booktitle = {{\rm Proceedings Fourth Workshop on}
               Membrane Computing and Biologically Inspired Process Calculi 2010,
               {\rm Jena, Germany, 23 August 2010}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {40},
  publisher = {Open Publishing Association},
  pages     = {142-161},
  doi       = {10.4204/EPTCS.40.10},
}