TY  - BOOK
AU  - Coates,Donald R.
AU  - Vitek,John D.
TI  - Thresholds in geomorphology
SN  - 0045510334
PY  - 1980///
CY  - London
PB  - Allen & Unwin
KW  - Geomorphology
KW  - Congresses
N1  - Includes bibliographies and index
ER  -