TY  - BOOK
AU  - Gradstein, F.M.
TI  - Quantitative stratigraphy
SN  - 9027721165
U1  - 551.7 
PY  - 1985///
CY  - Paris
PB  - UNESCO
KW  - Stratigraphic correlation -- Statistical methods.
KW  - Stratigraphy -- Correlation analysis -- Quantitative methods
N1  - Includes index
ER  -