TY  - BOOK
AU  - Thornbury, William D.
TI  - Principles of Geomorphology
SN  - 852268858
U1  - 551.4 
PY  - 2006///
CY  - Kolkata
PB  - New Age International Pvt. Ltd.
KW  - Geography
KW  - Geomorphology
ER  -