The Personal Mobility and Manipulation Appliance (PerMMA): A robotic wheelchair with advanced mobility and manipulation. - Hongwu Wang; Garrett G. Grindle; Jorge L. Candiotti; Cheng-Shiu Chung; Motoki Shino; Elaine Houston; Rory A. Cooper (EMBC, 2012)

Personal Mobility and Manipulation Appliance - Design, Development, and Initial Testing. - Rory A. Cooper; Garrett Grindle; Juan Jose Vazquez Lopez; Jijie Xu; Hongwu Wang; Jorge L. Candiotti; C. Chung; Ben Salatin; Elaine Houston; Annmarie Kelleher; Rosemarie Cooper; Emily Teodorski; et al. (Proc. IEEE, 2012)