24:50

Diffraction Lecture 6: 2D Plane Group Symmetry

21:39

Diffraction Lecture 1: Translational Symmetry in Two Dimensions

1:33:27

Peace on Earth with Autocracy Triumphant with John Dominic Crossan

11:42

Introduction to Symmetry Operations and Point Groups

9:18

Diffraction Lecture 3: Point Symmetry Operations

34:01

Hermann-Mauguin Symbols | Symmetry Elements | Part-1 | Geology | Mineralogy

10:25

Unit 4.6 - International Tables and The Space Group Pmm2

27:33

Diffraction Lecture 7: Space Group Symmetry Part 1