KEFER, K. ., C. . HOLZMANN, and R. . DIETER FINDLING. “EVALUATING THE PLACEMENT OF ARM-WORN DEVICES FOR RECOGNIZING VARIATIONS OF DYNAMIC HAND GESTURES”. Journal of Mobile Multimedia, vol. 12, no. 3-4, May 2017, pp. 225-42, https://journals.riverpublishers.com/index.php/JMM/article/view/4465.