By Grechishnikova I.   Levitskii E.   in Stratigraphy and Geological Correlation

ISSN:0869-5938|19|1|21-43

MAIK Nauka/Interperiodica‎(2011)‎

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By Levitskii E.   Shilkina E.   Mustafina L.   in Bulletin of Experimental Biology and Medicine

ISSN:0007-4888|149|5|647-649

Springer Publishing Company ‎(2010)‎

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