TY  - BOOK
AU  - Thornbury,William D.
TI  - Principles of geomorphology
SN  - 8123908113
U1  - 551.3 THO 2nd ed
PY  - 2002///
CY  - New Delhi
PB  - CBS Publishers
KW  - Geomorphology
N1  - Includes bibliographical references and indexes
ER  -