http://www.cotf.edu/ete/modules/msese/earthsysflr/plates2.html
http://www.learner.org/interactives/dynamicearth/plate.html
http://khsappliedgeography.weebly.com/transform-boundaries.html
http://www.passmyexams.co.uk/GCSE/physics/transform-boundaries.html
http://www.edu.pe.ca/southernkings/platejp.htm
http://www.platetectonics.com/
