http://www.gymnastics.org.au
https://usagym.org/pages/home/publications/technique/2002/8/technology.pdf
http://gymnasticszone.com/video-gymnastics-technology-for-recording-watching-video-in-the-gym
http://www.elitescore.com
http://prezi.com/ilqjnxgeit6g/gymnastics-technology/
https://usagym.org/pages/home/publications/technique/2000/8/developsport.pdf
https://usagym.org/pages/home/publications/technique/2002/8/technology.pdf
http://gymnasticszone.com/video-gymnastics-technology-for-recording-watching-video-in-the-gym
http://www.elitescore.com
http://prezi.com/ilqjnxgeit6g/gymnastics-technology/
https://usagym.org/pages/home/publications/technique/2000/8/developsport.pdf