International
Tables for
Crystallography
Volume A
Space-group symmetry
Edited by M. I. Aroyo

International Tables for Crystallography (2015). Vol. A, ch. 1.4, p. 56

Figure 1.4.2.5 

M. I. Aroyo,a G. Chapuis,b B. Souvignierd and A. M. Glazerc
[Figure 1.4.2.5]
Figure 1.4.2.5

Symmetry-element diagram for space group P4mm (99) (orthogonal projection along [001]).