1. Adams, A.E., MacKenzie, W.S., Guilford, C., 1984. Atlas of Sedimentary Rocks under the Microscope. Longman Scientific and Technical, Essex, 104pp.
2. Petroglyph; an interactive program for teaching petrography [abstract];Blaylock;Abstracts with Programs Geological Society of America,1999
3. UKESCC;Browning;Terra Nova,1996
4. CAL packages from UKESCC;Bryon;Terra Nova,1996
5. You show me yours and I’ll show you mine;Butler;GSA Today,1998