Yun, M. H. (1993, October). A hand posture measurement system for evaluating manual tool tasks. In Proceedings of the Human Factors and Ergonomics Society Annual Meeting (Vol. 37, No. 10, pp. 754-758). Sage CA: Los Angeles, CA: SAGE Publications.
https://journals.sagepub.com/doi/abs/10.1177/154193129303701023