Group Surfing: A Pedestrian-Based Approach to Sidewalk Robot Navigation. - Yuqing Du; Nicholas J. Hetherington; Chu Lip Oon; Wesley P. Chan; Camilo Perez Quintero; Elizabeth A. Croft; H. F. Machiel Van der Loos (ICRA, 2019)

Mobile Robot Yielding Cues for Human-Robot Spatial Interaction. - Nicholas J. Hetherington; Ryan Lee; Marlene Haase; Elizabeth A. Croft; H. F. Machiel Van der Loos (IROS, 2021)

Hey Robot, Which Way Are You Going? Nonverbal Motion Legibility Cues for Human-Robot Spatial Interaction. - Nicholas J. Hetherington; Elizabeth A. Croft; H. F. Machiel Van der Loos (IEEE Robotics Autom. Lett., 2021)