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БОРЕАЛЬНЫЕ ЮРСКИЕ АММОНИТЫ (DORSOPLANITINAE) И ...

БОРЕАЛЬНЫЕ ЮРСКИЕ АММОНИТЫ (DORSOPLANITINAE) И ...

БОРЕАЛЬНЫЕ ЮРСКИЕ АММОНИТЫ (DORSOPLANITINAE) И ...

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ACADEMY OF SCIENCES OF THE USSR<br />

GEOLOGICAL INSTITUTE<br />

N. P. MIKHAILOV<br />

BOREAL<br />

JURASSIC AMMONITES<br />

(<strong>DORSOPLANITINAE</strong>)<br />

AND ZONAL SUBDIVISION<br />

OF THE VOLGIAN STAGE<br />

(Transactions, vol. 151)<br />

PUBLISHING OFFICE «NAUKA»<br />

Moscow 1966

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