The Process of Motion Capture: Dealing with the Data. - Bobby Bodenheimer; Chuck Rose; Seth Rosenthal; John Pella (Computer Animation and Simulation, 1997)

Rock & rails: extending multi-touch interactions with shape gestures to enable precise spatial manipulations. - Daniel Wigdor; Hrvoje Benko; John Pella; Jarrod Lombardo; Sarah Williams (CHI, 2011)