- Gaveau, Jérémie, and Charalambos Papaxanthis. "The temporal structure of vertical arm movements." PLoS One 6.7 (2011): e22045. [1] Ball Bushing, Bore Dia 0.625 In <https://www.zoro.com/thomson-ball-bushing-bore-dia-0625-in-ssu10ww/i/G0297035/> Retrieved May 3, 2018.
[2] Custom linear bearing block <https://grabcad.com/library/custome-linear-bearing-block-1> Retrieved May 3, 2018.