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4. Haus, G. und A. Sametti: SCORESYNTH a system for the synthesis of music scores based on petri nets and a music algebra (extended version). In: Baggi, D. (Herausgeber): Readings in Computer Generated Music, Seiten 53–78. IEEE Computer Society Press, 1992.
5. International MIDI Association, North Hollywood, CA: MIDI 1.0 Detailled Specification, Document Version 4.0, 1988.