19011 Kurt Jensen: Coloured Petri nets I. Springer 1997, 230p. Eur 62. Kurt Jensen: Coloured Petri nets II. Springer 1997, 170p. 3-540-58276-2. DM 58. Kurt Jensen: Coloured Petri nets III. Springer 1997, 270p. 3-540-62867-3. DM 78. 18925 Nataliya Mulyar/Wil van der Aalst. Patterns in colored Petri nets. Internet 2005, 109p. 18927 Nataliya Mulyar/Wil van der Aalst: Towards a pattern language for colored Petri nets. Internet 2005, 20p. Rüdiger Valk: Extending S-invariants for coloured and selfmodifying nets. Ber. Inst. Informatik Univ. Hamburg 165 (1993). 18861 Joachim Wehler: Morphisms of coloured Petri nets. Internet 2006, 21p.