Citation: Schmid, H.; Mao, S.Y.; Kubel, F.; Yvon, K. (1992). Powder and single-crystal X-ray study of chromium chlorine boracite, Cr3 B7 O13 Cl, at low temperature. Powder refinement of the orthorhombic modification at 100K. Ferroelectrics, 132, pp. 239-244.