TY  - BOOK
AU  - Summerfield,M.A.
TI  - Global geomorphology
SN  - 0470216662 (Wiley)
U1  - 551.41 
PY  - 1991///
CY  - [Harlow, Essex, England), New York
PB  - Longman Scientific & Technical, Wiley
KW  - Geomorphology
ER  -