Gnezdilov, V.; Pashkevich, Y.; Kurnosov, V.; Zhuravlev, O.; Wulferding, D.; Lemmens, P.; Kazak, N.; Knyazev, Y.; Ovchinnikov, S. Magnetic and Structural Correlations in the Warwickite Mn₂OBO₃. Fiz. Nizk. Temp. 2019, 45, 1223-1230.