Before improving transportation models it is necessary to care for a much higher input quality. Also the output should have a more workable format. In order to get a better use of models much more energy had to be invested in producing "user- friendlier" output.
In: Colloquium Vervoersplanologisch Speurwerk 1980 : mobiliteit, ruimtelijke interactie en vervoerssysteemgebruik : verslag van een bijeenkomst gehouden te Den Haag op 6 en 7 november 1980, p. 189-195, 1 fig.
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