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Author - title
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| details | Bashkirian | USSR(Siberia) | Peterson,L.N. Yangotoi palynological complex of the Central Siberia and its biostratigraphic significance. (In: Palynology in the USSR. A.F.Chlonova, editor) | 1988 | |
| details | Bashkirian | Moscovian | Ukraine | Oshurkova,M.V. et al. Palynostratigraphy of Carboniferous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) | 1990 |