1. Isokinetic torque, kick velocity and force in taekwondo;Conkel;Med. Sci. Sport Exerc.,1988
2. An analysis of the dynamics of the basic tae kwon do kicks;Joon;U.S. TaeKwonDo J.,1987
3. Impact tolerance of the human thorax II;Kroell,1976
4. Impact response of the human thorax;Lobdell,1972