The huggable: a therapeutic robotic companion for relational, affective touch. - Walter Dan Stiehl; Cynthia Breazeal; Kuk-Hyun Han; Jeff Lieberman; Levi Lalla; Allan Z. Maymin; Jonathan Salinas; Daniel Fuentes; Robert Lopez Toscano; Cheng Hau Tong; Aseem Kishore; Matt Berlin; et al. (SIGGRAPH Emerging Technologies, 2006)

The huggable: a new type of therapeutic robotic companion. - Walter Dan Stiehl; Cynthia Breazeal; Kuk-Hyun Han; Jeff Lieberman; Levi Lalla; Allan Z. Maymin; Jonathan Salinas; Daniel Fuentes; Robert Lopez Toscano; Cheng Hau Tong; Aseem Kishore (SIGGRAPH Sketches, 2006)