TY  - BOOK
AU  - Seyfert,Carl K.,1938-
AU  - Sirkin,Leslie A.
TI  - Earth history and plate tectonics: an introduction to historical geology 
PY  - 1973///]
CY  - New York
PB  - Happer & Row
KW  - Historical geology
N1  - Includes bibliographical references
ER  -