TY  - BOOK
AU  - Kay,Marshall
AU  - Colbert,Edwin Harris
TI  - Stratigraphy and life history
U1  - 551.7 
PY  - 1965///
CY  - New York
PB  - Wiley
KW  - Geology
KW  - North America
KW  - Geology, Stratigraphic
N1  - Includes index
ER  -