International
Tables for
Crystallography
Volume C
Mathematical, physical and chemical tables
Edited by E. Prince

International Tables for Crystallography (2006). Vol. C, ch. 9.2, p. 772

Figure 9.2.2.18 

S. Ďuroviča
[Figure 9.2.2.18]
Figure 9.2.2.18

The two kinds of OD layers in the stibivanite family (after Merlino et al., 1989[link]).