John A. Venables
Cambridge University Press (2000)
© Arizona Board of Regents for Arizona State University and John A. Venables
For example, there is a reference in chapter 1, page 9, to a student project on the properties of stereograms. This can be found via the web-based resources page at Background material and student projects or directly at Monika Fleischer's project on Crystallographic Notation and Stereograms.
There is also a direct link to Per Stoltze's pages, vizualizing surface planes, either via the web-based resources page at Surface theory and simulation codes, or directly at Crystallography of metal surfaces, or indeed via Monika's project, section 4.