TY  - BOOK
AU  - Gradstein F.M. and others
AU  - UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANIZATION
ED  - UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANIZATION
TI  - Quantitative stratigraphy
SN  - 9231023365
U1  - H5:(B28), M5 
PY  - 1985///
CY  - Paris
PB  - UNESCO France       
KW  -  GEOLOGY
KW  - GEOLOGY
ER  -