TY  - BOOK
AU  - Verstappen,H.T.
ED  - International Institute for Aerial Survey and Earth Sciences
TI  - A geomorphological reconnaissance of Sumatra and adjacent islands (Indonesia)
SN  - 9001909388
PY  - 1973///
CY  - Groningen
PB  - Wolters-Noordhoff Pub.
KW  - Geomorphology
KW  - Indonesia
KW  - Sumatra
N1  - Includes bibliographical references (p.174-182)
ER  -