Donkers, H.H.L.M.. Westerterp, K., and Hasman, A. (1990). Weight, an
Interactive Simulation Model of the Human Energy Housekeeping. Proceedings Medical
Informatics Europe (eds. O. Rienho. and D.A.B. Lindberg), Lecture Notes
in Medical Informatics, Vol. 40, pp. 430–434, Springer Verlag, Berlin, Germany. ISBN 3-540-52936-5.
Donkers, H.H.L.M., Hasman A., Henckens P., and Tange, H. (1989).
Strategy, a New Vision on Decision Trees. Proceedings International Symposium Medical
Informatics and Education (eds. R. Salomon, et al.), pp. 224–227. University of Victoria, Canada. ISBN
55058-001-9.