@inproceedings{ schonenberg2010, Author = {Schonenberg, Billy and Bartneck, Christoph}, Title = {Mysterious Machines}, BookTitle = {5th ACM/IEEE International Conference on Human-Robot Interaction}, Address= {Osaka}, Publisher = {ACM}, Pages = {349-350}, DOI = {10.1145/1734454.1734572}, Year = {2010} }