TY  - BOOK
AU  - Thornbury , William D.
TI  - Principles of geomorphology
SN  - 9789386649935
U1  - 551.41Geo 
PY  - 2019///
CY  - New Delhi
PB  - New age international limited
KW  - Geography
N1  - Lib has also 2nd ed
ER  -