International
Tables for
Crystallography
Volume D
Physical properties of crystals
Edited by A. Authier

International Tables for Crystallography (2006). Vol. D. ch. 3.1, p. 372

Figure 3.1.5.25 

J. F. Scottc*
[Figure 3.1.5.25]
Figure 3.1.5.25

Raman spectra of YBa2Cu3O7−x below an apparent phase transition at ca. 235 K (Zhang et al., 1988[link]).