Sprigings, E, Lanovaz, J & Russell, K. (1999, 13. August). Optimizing the attentuation of handstand-swing using a backward giant circle. Zugriff unter http://asb-biomech.org/onlineabs/NACOB98/143/index.html

Sprigings, E., Lanovaz, J., & Russell, K. (1998). Optimizing the attentuation of handstand-swing using a backward giant circle.

Sprigings, E., J. Lanovaz, and K. Russell. Optimizing the Attentuation of Handstand-swing Using a Backward Giant Circle. 1998.

Sprigings, E., et al. Optimizing the Attentuation of Handstand-swing Using a Backward Giant Circle. 1998.