TY  - BOOK
AU  - Ludman, Allan.
AU  - Marshak, Stephen.
TI  - Laboatory manual for introductory geology
SN  - 9780393250510
AV  - QE 28 .L83 2012 
PY  - 2012///
CY  - NewYork: 
PB  - W.W Norton&Company
KW  - Geology
N1  - Include index
ER  -