Citation: Verdoes, D.; Zandbergen, H.W.; Ijdo, D.J.W. (1987). Equilibria description for the system Ba O - Ru O2 - Fe2 O3 with less than 55 mol% Ba O at 1300 deg.C in platinum capsules; A crystallographic and leaching study. Materials Research Bulletin, 22, pp. 1-10.