Natural Interaction in Freehand Pointing: Designing the mapping of interaction space. - Zhuorui Liang; Xiangmin Xu; Chunmei Qing (IEEE Consumer Electron. Mag., 2017)

The smallest target size for a comfortable pointing in freehand space: human pointing precision of freehand interaction. - Zhuorui Liang; Xiangmin Xu; Shaolin Zhou (Univers. Access Inf. Soc., 2017)