TY  - BOOK
AU  - Kauffman, Erle Galen
AU  - 
TI  - Concepts and methods of biostratigraphy
U1  - 551.7 
PY  - 1977///
CY  - Stroudsburg
PB  - Dowden
KW  - biostratigraphy
KW  - Stratigraphy
N1  -  Bibliog. P. 565-638
ER  -