TY  - BOOK
AU  - Thornbury, William D.
TI  - Principles of geomorphology
SN  - 9780852268858
U1  - 551.41/THO/P 
PY  - 2008///
CY  -  New Delhi 
PB  - New age int.
KW  - Geomorphology
KW  - Géomorphologie
KW  - Tectonique
ER  -