A distributed implementation of a mode switching control program. - Michael Holdgaard; Thomas J. Eriksen; Anders P. Ravn; Torben Ole Andersen (RTS, 1995)

Hybrid Systems: A Real-Time Interface to Control Engineering. - Thomas J. Eriksen; Søren T. Heilmann; Michael Holdgaard; Anders P. Ravn (RTS, 1996)

Engineering of Real-Time Systems with an Experiment in Hybrid Control. - Anders P. Ravn; Thomas J. Eriksen; Michael Holdgaard; Hans Rischel (European Educational Forum: School on Embedded Systems, 1996)