A geomorphological reconnaissance of Sumatra and adjacent islands (Indonesia).
Subtitle: [By] H.Th. Verstappen.  International Institute for Aerial Survey and Earth Sciences (I.T.C.), Enschede.
Contributors: International Institute for Aerial Survey and Earth Sciences
Series: Royal Dutch Geographical Society.  Verhandelingen, v. 1
Publisher: Wolters-Noordhoff
Published: 1973
Place of publication: Groningen
Language: eng
Number of pages: 182
Subjects: Geomorphology -- Sumatra