Coping with Complex Environments: The Effects of Providing Overviews and a Transparent Interface on Learning with a Computer Simulation. - Ton de Jong; Robert de Hoog; Frits de Vries (Int. J. Man Mach. Stud., 1993)

Panel on Lifelong Learning. - Peter Fisser; Elizabeth Stacey; Tom J. van Weert; Jan Wibe; Catherine P. Fulford; U. Fuller; Frits de Vries (Building University Electronic Educational Environments, 1999)