jerk
1978 / Jerk: The time rate of change of acceleration / Steven H. Schot / American Journal of Physics 46 (1978) p. 1090 [doi]
1996 / [Questions and Answers] #38. What is the simplest jerk function that gives chaos? / H. P. W. Gottlieb / American Journal of Physics 64 (1996) p. 525 [doi]
1997 / Nonlinear dynamical models and jerky motion / Stefan J. Linz / American Journal of Physics 65 (1997) p. 523 [doi]
1997 / Some simple chaotic jerk functions / J. C. Sprott / American Journal of Physics 65 (1997) p. 537 [doi]
1998 / Newtonian jerky dynamics: Some general properties / Stefan J. Linz / American Journal of Physics 66 (1998) p. 1109 [doi]