TY  - BOOK
AU  - Walker H J Ed.
AU  -  Grabau W E Ed.
TI  - Evolution of geomorphology
T2  - International Association Of Geomorphologists Publication, 1
U1  - U21, N3 
PY  - 1993///
CY  - Chichester
PB  - John Wiley         
KW  - Geomorphology
ER  -