International Tables for Crystallography (2006). Vol. A. ch. 4.2, p. 61
https://doi.org/10.1107/97809553602060000508 |
Chapter 4.2. Symbols for plane groups (two-dimensional space groups)
Chapter index
Additional symmetry elements 4.2.2
Extended Hermann–Mauguin space-group symbols 4.2.1.1
Hexagonal
plane groups 4.2.1.1
Oblique plane and point groups 4.2.1.1
Rectangular plane and point groups 4.2.1.1
Square plane and point groups 4.2.1.1
Symmetry
elements, additional 4.2.2