Min Kyung Lee Jodi Forlizzi Paul E. Rybski Frederick L. Crabbe Wayne Chung Josh Finkle Eric Glaser Sara B. Kiesler The snackbot: documenting the design of a robot for long-term human-robot interaction. 7-14 2009 HRI http://doi.acm.org/10.1145/1514095.1514100 conf/hri/2009 db/conf/hri/hri2009.html#LeeFRCCFGK09