Test tube systems: when two tubes are enough

Rudolf Freund, Franziska Freund. Test tube systems: when two tubes are enough. In Grzegorz Rozenberg, Wolfgang Thomas, editors, Developments in Language Theory, Foundations, Applications, and Perspectives, Aachen, Germany, 6-9 July 1999. pages 338-350, World Scientific, 1999.

@inproceedings{FreundF99,
  title = {Test tube systems: when two tubes are enough},
  author = {Rudolf Freund and Franziska Freund},
  year = {1999},
  tags = {testing},
  researchr = {https://researchr.org/publication/FreundF99},
  cites = {0},
  citedby = {0},
  pages = {338-350},
  booktitle = {Developments in Language Theory, Foundations, Applications, and Perspectives, Aachen, Germany, 6-9 July 1999},
  editor = {Grzegorz Rozenberg and Wolfgang Thomas},
  publisher = {World Scientific},
  isbn = {981-02-4380-4},
}