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VERSTAPPEN, H. TH. 
—, GHosE, B. & 
PANDEY, S. 
VERSTAPPEN, H. TH. & 
ZUIDAM, R. A. VAN 
VERSTEEGH, P. J. D. 
VINK, A. P. A. 
VISSER, J. 
VoskuIL, R. G. P. A. 
Voüre, C. 
16 
On the origin of longitudinal (seif) dunes. 
In Zeits.f.Geomorph. 12 (1968) 200—220. 
Geomorphology at the Central Arid Zone Research Institute, India. 
In Nature and Resources 4 (1968) 6-9. 
Landforms and resources in Central Rajasthan, India. 
ITC-Publication B-51, 1969, 20 pp. 
Orbital photography and the geosciences, a geomorphological 
example from the Central Sahara. 
In Geoforum 2 (1970) 33-47. 
Aerial imagery and regionalization. 
In Sympos. Dresden 1970, IAP Vol. 18/1, p. 25-45. 
Aeolian geomorphology of the Thar Deset and paleoclimates. 
In Zeits.f.Geomorph., Suppl.Bd.10, 1970, p. 104-120. 
Photography and thermography of shoals and channels in an estuary. 
In Photo Interprétation 9 (1970) nr. 6, p. 19-25. 
Photography and thermography of a coastal dune area. 
In Photo Interpretation 9 (1970) nr. 6, p. 26-34. 
Photography and thermography of a riverine area near Sliedrecht. 
In Photo Interpretation 9 (1970) nr. 6, p. 35-43. 
Geomorphology and integrated surveys of the natural environment. 
In Acta Geogr. Lov., Leuven 1970. 
Introduction to the I'TC system of geomorphological survey. 
In Geogr. Tijds. 4 (1970) 85-91. 
Interpretation of some aerial thermographs of an estuarine environ- 
ment. 
ITC-Publication B-65, 1972, 42 pp. 
Notes on tropical forestry development and aerial photo interpre- 
tation. 
ITC-Publication B-34, 1966, 21 pp. 
The use of aerial photographs in integrated surveys of 
ITC-Publication P-2, 1967, 32 pp. 
Aerial photographs and the soil sciences, aerial surveys and integrated 
studies. 
In Proc. Toulouse Conf. Unesco, Nat. Resources Research 6 (1968) 
81-141. 
The role of physical geography in integrated surveys of developing 
countries. 
In Tijds.Econ.Soc.Geogr. 59 (1968) 294—312. 
Methodology of airphoto interpretation as illustrated from the soil 
sciences. 
In Bildm.u.Luftb. 38 (1970) 35-44. 
The use of and experience with the Zeiss Orthoprojector GZ-1 at the 
ITC. 
In ITC-Publication A-41/42, 1968, p. 3-27, in Canad.Surv. 22 (1968) 
177-193. 
Orthophotography, production and applications. 
In ITC-Publication A-47, 1969, p. 120-126. 
Cadastral and urban mapping. 
In ITC-Publication A-47, 1969, p. 166-169. 
Overzicht van de huidige stand van zaken op het gebied van foto- 
grammetrische karterings-methoden en -mogelijkheden. 
In Tijds.Kad.Landm. 85 (1969) 24-47. 
Sporen van de luchtlanding bij Arnhem. 
In Geogr.T'ijds. 5 (1971) 583 ff. 
The changing art of geological surveying, (Inaugural Address Febr. 
1968). 
ITC Information Booklet. 
The production of geological and hydrological reports and maps. 
In ITC-Unesco Seminar 1968, p. 169-175. 
New developments in aerial mapping for natural resources based on 
remote sensing techniques. 
In Proc. ECAFE Committee on Industry and Natural Resources, 
Bandung, Indonesia, 1970. 
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