Citation: Hesse, K.F.; Liebau, F. (1980). Crystal chemistry of silica-rich barium silicates refinement of the crystal structures of Ba4 (Si6 O16), Ba5 (Si8 O21) and Ba6 (Si10 O26), silicates with triple quadruple and quintuple chains. Zeitschrift fuer Kristallographie (149,1979-), 153, pp. 3-17.