@Inproceedings{EPTCS11.8,
  author    = {Freund, Rudolf and Kogler, Marian},
  year      = {2009},
  title     = {Drip and Mate Operations Acting in Test Tube Systems and Tissue-like P systems},
  editor    = {Ciobanu, Gabriel},
  booktitle = {{\rm Proceedings Third Workshop on}
               Membrane Computing and Biologically Inspired Process Calculi 2009,
               {\rm Bologna, Italy, 5th September 2009}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {11},
  publisher = {Open Publishing Association},
  pages     = {123-135},
  doi       = {10.4204/EPTCS.11.8},
}