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Author - title
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Year
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| details | Tournaisian | Visean | USSR(Tadzhik SSR) | Portnyagina,L.A. et al. Miospore complex in Carboniferous terrigenous deposits in Central Tadzhikistan | 1989 |
| details | Visean | Kasimovian | Kazakstan | Oshurkova,M.V. et al. Palynostratigraphy of Carboniferous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) | 1990 |