Brooks, Andrew; Cynthia Breazeal (2006). "Working with robots and objects: Revisiting deictic reference for achieving spatial common ground". Proceedings of the 1st ACM SIGCHI/SIGART conference on Human-robot interaction. pp. 297–304. doi:10.1145/1121241.1121292. ISBN1-59593-294-1. S2CID2112599.
Brooks, Andrew; Cynthia Breazeal (2006). "Working with robots and objects: Revisiting deictic reference for achieving spatial common ground". Proceedings of the 1st ACM SIGCHI/SIGART conference on Human-robot interaction. pp. 297–304. doi:10.1145/1121241.1121292. ISBN1-59593-294-1. S2CID2112599.