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

International Tables for Crystallography (2006). Vol. C, ch. 6.1, p. 554

Figure 6.1.1.1 

E. N. Maslen,e A. G. Foxb and M. A. O'Keefec
[Figure 6.1.1.1]
Figure 6.1.1.1

Scattering by an electron. k0 and k are the incident and scattered wavevectors, respectively.