Slide presentation can be downloaded from:
http://www.msm.cam.ac.uk/phase-trans/...
Lecture by Professor H. K. D. H. Bhadeshia at POSTECH, Republic of Korea

Crystallography 5 (2013) Stereograms

A complete course in crystallography. Associated materials such as lecture notes, books, and much more can be found on: http://www.msm.cam.ac.uk/phase-trans/teaching.html H. K. D. H. Bhadeshia 

Image credit: Natural Philo