Shadow of the Standford Bunny : Analysing Visual Models of Landscape Data Using Delaunay TIN. - N. Sang; C. Gold; D. Miller (ISVD, 2007)

The topological viewshed: embedding topological pointers into digital terrain models to improve GIS capability for visual landscape analysis. - Neil Sang; C. Gold; D. Miller (Int. J. Digit. Earth, 2016)