TY  - BOOK
AU  - Krymholts,G.Ia
AU  - Mesezhnikov,Mikhail Semenovich
AU  - Westermann,Gerd Ernst Gerold,1927-
TI  - The Jurassic ammonite zones of the Soviet Union
SN  - 0813722233
PY  - 1988///
CY  - Boulder, Colorado
PB  - The Geological Society of America
KW  - Geology, Stratigraphic
KW  - Jurassic
KW  - Geology
KW  - Soviet Union
ER  -