TY  - BOOK
AU  - Chorley Richard J
AU  -  Beckinsale Robert P
TI  - Historical and regional geomorphology,1890-1950
T2  - History of the Study of Land Forms or Development of Geomrphology^b3
U1  - U21, N1 
PY  - 1991///
CY  - London
PB  - Routledge Publications         
KW  - Geomorphology
ER  -