TY  - BOOK
AU  - THORNBURY. WILLIAM D.
TI  - Principles of GEOMORPHOLOGY
SN  - 471861979
U1  - 551.4 
PY  - 1969///
CY  - New York
PB  - John Wiley & Sons
KW  - Geomorphology;Geology, Structural;Physical geography
ER  -