Committee for the study of joint motion, “関節可動域表示ならびに測定法,” リハビリテーション医学, Vol. 11, pp. 127-132, 1974.
H. Rijpkama, “Computer Animation of Knowledge-Based Human Grasping,” ACM SIGGRAPH Computer Graphics, Vol. 25, No. 4, pp. 339-348, 1991.
Miyata, Shimizu and Maeda, “A Measuring and Analysis Method of Coupled Range of Motion of the Human Hands,” Proc. of 2013 IEEE Int. Conf. on Systems, Man and Cybernetics (SMC 2013), pp. 2623-2628, 2013.
B. Pateiro-Lopez and A. Rodriguez-Casal, “Generalizing the Convex Hull of a Sample: The R Package alphahull,” Journal of Statistical Software, Vol. 34, No. 5, 1-28, 2010.