TY  - BOOK
AU  - Dunbar,Carl O.
AU  - Rodgers,John
ED  - C. Wiley & Co.
TI  - Principles of stratigraphy
U1  - 551.7 
PY  - 1961///].
CY  - New York: 
PB  - John Wiley & Sons, 
KW  - Geology, Stratigraphic
N1  - Includes bibliographical references (p. 319-339) and index (p. 341-356)
ER  -