TY  - BOOK
AU  - Verstappen, H.Th..
TI  - Applied Geomorphology: Geomorphological Surveys for Environmental Development / 
SN  - 0-444-42181-5
U1  - U,21 
PY  - 1983///
CY  - Amsterdam : 
PB  - Elsevier Science Publishers B.V. , 
KW  - Geomorphology
ER  -