1. The mathematics of a driving hazard;Baylis;Math. Gazette,1973
2. A driving hazard revisited;Bender;SIAM Review,1979
3. Slowest descent to the moon;Cantoni;SIAM Review,1980
4. Ascent-descent;Cohen;UMAP,1980
5. A mathematical model for trailer-truck jack knifing;Fossum;SIAM Review,1981