TY  - BOOK
AU  - Kauffman,Erle G.
AU  - Hazel,Joseph E.
AU  - Heffernan,Barbara Duffy
TI  - Concepts and methods of biostratigraphy
SN  - 0879332468
PY  - 1977///
CY  - Hutchinson & Ross, Stroudsburg, Pa.
PB  - Dowden
KW  - Geology, Stratigraphic
KW  - Paleontology, Stratigraphic
N1  - Includes index; Bibliography : p. 565-638
ER  -