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Author - title
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details | Maastrichtian | USSR(WSL) | Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. | 1971 | |
details | Maastrichtian | USSR(WSL) | Grigoreva,K.N. Assay of the paleofloristic division into districts of eastern and south-eastern parts of West-Siberi in Senonian Peiod | 1973 |