Robots in Need: Acquiring Assistance with Emotion. - Joseph E. Daly; Paul Bremner; Ute Leonards (HRI, 2019)

Robots in Need: How Patterns of Emotional Behavior Influence Willingness to Help. - Joseph E. Daly; Ute Leonards; Paul A. Bremner (HRI (Companion), 2020)

Helper's High with a Robot Pet. - Chatchai Chirapornchai; Paul Bremner; Joseph E. Daly (HRI (Companion), 2021)