TY  - BOOK
AU  - Polyansky,B.V.
ED  - Academy of sciences of the USSR.
TI  - Mesozoic coal-bearing formations of the Mesotethys Northern Margin
T2  - Memoir
SN  - 0 11 884398 2
PY  - 1989///
CY  - Moscow
PB  - Nauka
ER  -