176 
Gimbarzevsky, Philip. 
1973: Remote sensing on the integrated surveys of biophysical 
resources. In Proc. Symp. IUFRO S6.05 Freiburg, W. Germany, 
p. 127-142. Ed. G. Hildebrandt, Abteilung Luftbidmessung 
und Luftbidinterprretation der Universität Freiburg. 
Jenkins, D.S., J.D. Belcher, L.E. Gregg and K.B. Woods. 
1946: The origin, distribution and air photo identification of 
United States soils with special reference to airport and 
highway engineering. Tech. Dev. Rep. No. 52, Washington. 
182 p. 
Miles, Robert D. 
1963: A concept of land forms, parent materials, and soils in air 
photo interpretation studies for engineering purposes. In 
Archives Internationales de Photogrammetrie, Tome XIV, Delft, 
the Netherlands, September 1962, Ed. by Commission VII, ISP, 
Published by Vitgeverij Waltmann, Delft, p. 462-476. 
Ray, Richard G. 
1960: Aerial photographs in geologic interpretation and mapping. 
U.S. Gov. Print. Off., Washington. Geol. Surv. Prof. Paper 
373. 230 p. 
Strahler, Arthur, N. 
1967. Physical geography. 2nd ed, John Wiley $ Sons, Inc. New 
York, N.Y. 534 p.