Citation: Ferro, O.; Pushcharovskii, D.Yu.; Merlino, S.; Vinogradova, S.A.; Dimitrova, O.V. (2000). Crystal structures of two new Ba borates pentaborate, Ba2 (B5 O9) Cl . 0.5(H2 O) and Ba2 (B5 O8 (O H)2) (O H). Journal of Alloys Compd., 305, pp. 63-71.