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. 5.4, p. 538
Figure 5.4.1.2
A. W. S. Johnson^{a}


Figure 5.4.1.2
A diffraction pattern with the crystal oriented at a zone axis. The lower diagram shows the zerozone vectors a* and b*, and OO′, the projection on the xy plane of c*. 