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Figure 4
Snapshots (a)–(f) of form I crystals to a shown kinematic effect during UV irradiation. Snapshots (d)–(f) shows visible parallel cracks generated on the crystal surface.

IUCrJ
Volume 2| Part 6| October 2015| Pages 653-660
ISSN: 2052-2525
doi:10.1107/S2052252515017297