TY  - BOOK
AU  - Mears B
TI  - Changing earth: Introduction to geology
U1  - H413, L0;L7 
PY  - 1977///
CY  - New York    
PB  -  Van nostrnd       
KW  -  Earth
KW  - Geology
N1  - Appendix 551-560p; Glossary 561-573p
ER  -