Howe, RobertDebus, ThomasDupont, Pierre2017-09-121998Howe, Robert D., Thomas Debus, and Pierre Dupont. 1998. "Haptic identification of remote environment properties." In SPIE International Symposium on Intelligent Systems and Advanced Manufacturing. doi:10.1117/12.333676http://nrs.harvard.edu/urn-3:HUL.InstRepos:33885204en-USJournal Article2017-09-1210.1117/12.333676