TY  - BOOK
AU  - Ludman, Allan
AU  - Marshak, Stephen
TI  - Laboratory Manual for Introduction Geology
SN  - 9780393124859
AV  - QE 28 .L83 2012 
PY  - 2012///
CY  - New York
PB  - W. W. Norton
KW  - Geology- study and teaching
KW  - Geology
ER  -