1. A computer based system for risk analysis of process plants;Ale,1986
2. Ale, B.J.M., van Nierop, D., Seaman, M., 1987. Safety Zoning around a Major Industrial Complex in the Netherlands (World Congress on Chemical Hazards, July, Rome).
3. Ale, B.J.M., Lahey, G.M.H., Uijt de Haag, P.A.M., 1996. Zoning instruments for major accident prevention. In: International Conference on Probabilistic Safety Assessment and Management, Crete, 1996.
4. Ale, B.J.M., 2003. Keynote lecture: living with risk: a management question. In: Bedford, van Gelder (Eds.), ESREL 2003, Safety and Reliability. Swets en Zeitlinger, Lisse, ISBN 90 5809 551 7.
5. Further development of a causal model for air transport safety (CATS): building the mathematical heart;Ale;Reliab. Eng. Syst. Saf.,2009