The proximity toolkit and ViconFace: the video. - Rob Diaz-Marino; Saul Greenberg (CHI Extended Abstracts, 2010)

Proxemic interactions: the new ubicomp? - Saul Greenberg; Nicolai Marquardt; Till Ballendat; Rob Diaz-Marino; Miaosen Wang (Interactions, 2010)

The proximity toolkit: prototyping proxemic interactions in ubiquitous computing ecologies. - Nicolai Marquardt; Robert Diaz-Marino; Sebastian Boring; Saul Greenberg (UIST, 2011)