TY  - BOOK
AU  - Hedberg,Hollis Dow
ED  - International Union of Geological Sciences.
TI  - International Stratigraphic Guide: A Guide to Stratigraphic classification, Terminology, and Procedure 
SN  - 0471367435
AV  - QE651 .I57 1976
U1  - 551.7 
PY  - 1976///
CY  - New York
PB  - Wiley
KW  - Geology, Stratigraphic
N1  - "A Wiley-Interscience publication."; Includes index; Bibliography: p. 111-187
ER  -