TY  - BOOK
AU  - Twidale, C.R.
TI  - Analysis of landforms
SN  - 0471894656
U1  - 551.41 21st ed.
PY  - 1976///
CY  - New York
PB  - John Wiley and Sons
KW  - Geomorphology
KW  - Landforms - Analysis
N1  - Index: p. 549-71
ER  -