Citation: Podberezskaya, N.V.; Vasil'eva, I.G.; Pervukhina, N.V.; Belaya, S.V.; Borisov, S.V. (2001). Crystal structures of two new holmium polysulfides in the series ofrare-earth polychalcogenides. Zhurnal Strukturnoi Khimii (Issue-No. from 1981), 42, pp. 741-752.