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

International Tables for Crystallography (2006). Vol. C. ch. 5.3, p. 514

Figure 5.3.2.4 

E. Gałdeckaa

a Institute of Low Temperature and Structure Research, Polish Academy of Sciences, PO Box 937, 50-950 Wrocław 2, Poland

[Figure 5.3.2.4]
Figure 5.3.2.4

Lens-shaped figures formed by pairs of intersecting conics. (a) Schematic representation of the method of Heise (1962[link]). (b) The use of the Kα1,2 doublet for precise and accurate lattice-parameter determination.