Only touching the surface: creating affinities between digital content and paper. - Paul Luff; Christian Heath; Moira C. Norrie; Beat Signer; Peter Herdman (CSCW, 2004)

Augmented Paper: Developing Relationships Between Digital Content and Paper. - Paul Luff; Guy Adams; Wolfgang Bock 002; Adam Drazin; David M. Frohlich; Christian Heath; Peter Herdman; Heather King; Nadja Linketscher; Rachel Murphy; Moira C. Norrie; Abigail Sellen; et al. (The Disappearing Computer, 2007)

Swiping paper: the second hand, mundane artifacts, gesture and collaboration. - Paul Luff; Karola Pitsch; Christian Heath; Peter Herdman; Julian Wood (Pers. Ubiquitous Comput., 2010)