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pro vyhledávání: '"Alexandr Kanygin"'
Autor:
Nikolay Sennikov, Alexandr Timokhin, Alexandr Kanygin, Olga Obut, Yuri Philippov, Nadezhda Izokh
Publikováno v:
Interexpo GEO-Siberia. 2:177-182
Recent data on the Ordovician biostratigraphy of the West-Siberian Geosyncline are discussed. The new Regional unit - Pavlov Horizon and two new local sequences – Zapadno-Novogodnyaya Unit and Lekosskaya Unit were defined.