International
Tables for Crystallography Volume C Mathematical, physical and chemical tables Edited by E. Prince © International Union of Crystallography 2006 
International Tables for Crystallography (2006). Vol. C, ch. 2.7, p. 118


Figure 2.7.3.4
Du Mond diagrams for + − setting in Fig. 2.7.3.3. (a) Case when specimen region V′ is misoriented with respect to V, but U, V, and V′ all have the same interplanar spacing. (b) Case when V′ differs from V in both orientation and interplanar spacing, and both differ from U in interplanar spacing. 