Spreadsheets and GIS in Integral Modeling. - Fokke de Boer (Informatik für den Umweltschutz, 1990)

On hardware for generating routes in Kautz digraphs. - Gerard J. M. Smit; Paul J. M. Havinga; Pierre G. Jansen; Fokke de Boer; Bert Molenkamp (Microprocessing and Microprogramming, 1991)