Joe Marshall Tony P. Pridmore Mike Pound Steve Benford Boriana Koleva Pressing the Flesh: Sensing Multiple Touch and Finger Pressure on Arbitrary Surfaces. 38-55 2008 Pervasive http://dx.doi.org/10.1007/978-3-540-79576-6_3 conf/pervasive/2008 db/conf/pervasive/pervasive2008.html#MarshallPPBK08