Palaeopalynology, Vol. 2: Assemblages of Spores, Pollen, and other Plant Microfossils characteristic of Various Stratigraphical Subdivisions from th Upper Precambrian to the Holocene in the U.S.S.R. Trudy VSEGEI: 141 (2). Andreeva, E.M. et al. (Original edited by I.M. Pokrovskaya), translated by Kenneth Syers, National Lending Library for Science and Technology, Boston Spa, Yorkshire, 1970. Part I: 275 pp., Part II: 222 pp., Part III: 300 pp., £2.60 per part