1. Bles, W.; Boer, L. C.; Keuning, J. A.; Vermey, P.; Wientjes, C. J. E. Zeeziekte-onderzoek: dosis-effect metingen aan boord van Hr. Ms. Makkum. TNO-TM report IZF 1988-5. TNO Human Factors Research Institute, Soesterberg, The Netherlands; 1988.
2. Bles, W.; De Graaf, B.; Keuning, J. A.; Ooms, J.; De Vries, J.; Wientjes, C. J. E. Experiments on motion sickness aboard the M.V. “Zeefakkel”. Report IZF-1991-A-34, TNO Human Factors Research Institute, Soesterberg, The Netherlands; 1991.
3. Bles, W.; Vunderink, R. A. F. The TNO ship motion simulator: a tool to investigate the effects of ship motions on human performance. TNO-TM report 1994 A-40. TNO Human Factors Research Institute, Soesterberg, The Netherlands; 1994.
4. Bos, J. E.; de Vries, S. C.; Vunderink, R. A. F. Motion control of the TNO Ship Motion Simulator. TNO-TM report 1995-A32 TNO Human Factors Research Institute, Soesterberg, The Netherlands; 1995.
5. Colwell, J. L. Motion sickness habituation in the naval environment. DREA Technical Memorandum 94/211, Defence Research Establishment Atlantic. Dartmouth: Canada; 1994.