The haptic wheel: design & evaluation of a tactile password system. - Andrea Bianchi; Ian Oakley; Jong Keun Lee; Dong-Soo Kwon (CHI Extended Abstracts, 2010)

Haptics for tangible interaction: a vibro-tactile prototype. - Andrea Bianchi; Ian Oakley; Jong Keun Lee; Dong-Soo Kwon; Vassilis Kostakos (TEI, 2011)