30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
Interpretation and the Land Survey 
Groupwise Sampling to be Applied to the 
Inventory of Natural Resources with the 
Aid of Photo Interpretation 
Thermal Investigations in Hungary 
The Trace Back of the Geomorphological 
Development of the Muela Plateau - 
Zaragoza, Spain 
Infrared Film for Vitality Studies of 
Norway Spruce and Aerial Thermographs 
for Forest Disease Detection in the 
Netherlands 
Experimental Research in Photo- 
Interpretation 
Environmental Control From Airborne and 
Space Vehicles 
Study on Aerial Photogrammetric Methods 
of Investigation of Earthquake Disaster 
The Role of Colour Photography in 
Natural Resources Exploration 
Geotechnical Interpretation of Aerial 
Photographs — A Study of the Reliability 
of the Method 
Resources Surveys with Miniature Cameras 
(E) 
(E) 
(E) 
(E) 
(EXG) 
(E)(G) 
(E) 
(E) 
(E) 
(E) 
84 
84 
85 
85 
85 
86 
86 
87 
87