TY  - BOOK
AU  - Judson Sheldon
AU  -  Deffeyes K S
AU  -  Hargraves R B
TI  - Physical geology
U1  - H, L61 
PY  - 1976///
CY  - New Jersey
PB  -  Prentice Hall       
KW  -  Physical geology
KW  - Geology
N1  - Appendix 513-535p
ER  -