id: 70942812 dt: a an: 70942812 au: Shi, Yue; Shi, Yuanchun; Liu, Jie ti: A rotation based method for detecting on-body positions of mobile devices so: Ubicomp, 559-560 (2011). py: 2011 pu: la: EN cc: ut: ci: li: doi:10.1145/2030112.2030212