TY  - BOOK
AU  - Ramsey,William L
AU  - Burckley,Raymond A
TI  - Modern earth science
U1  - 550 RAM B 
PY  - 1961///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Earth science
KW  - Earth-Histology
ER  -