20 
Holsen, J.: Earth cuvature, refraction and elements of relative orientation. 
Analytical photogrammetry. 1 Compendium, Institute of Geodesy and 
Photogrammetry, NTH, Trondheim. 1965. 
— Photogrammetry, Part 1 and 2. 1 Compendium. Institute of Geodesy 
and Photogrammetry, NTH, Trondheim. 1966. 
— Einige Untersuchungen iiber Filmschrumpfung. 3 Institute of Geodesy 
and Photogrammetry, NTH, Trondheim. 1965. 
Hadem, I.: Theoretical and practical investigations with special reference 
to the application of simple photogrammetric equipment. 1 Reports 
from Institute of Geodesy, the Agricultural College of Norway (NLH), 
Vollebekk, No. 1, 1964. (Summary in English) 
Hadem, I. & 0veras, O.: Relation between the size of the control points 
and the pointing error. 1 (NTJL), No. 5, 1964. 
Hadem, I.: Revision of maps in 1 : 10 000; practical investigations. 1 Reports 
from Institute of Geodesy, NLH, Vollebekk 1965, No. 3. (Summary in 
English) 
— On the accuracy of aerotriangulation with convergent photography. 2 
ITC-Publications A No. 34, 1965, Delft, the Netherlands. 
— Adjustment of the absolute orientation, rugged terrain. 1 NTJL No. 2, 
1965. 
— Revision of maps in 1 : 5 000, practical investigations. 1 Reports from 
Institute of Geodesy, NLH, Vollebekk 1967, No. 5. (Summary in 
English) 
— On the accuracy of stereo-plotting of convergent and vertical aerial 
photographs in mountainous terrain. 2 Scientific reports from the 
Agricultural College of Norway, No. 1, Vollebekk 1967. 
Roer, N.: Photointerpretation in connection with medium scale mapping. 1 
(NTJL) No. 2, 1964. 
Waade, Aa.: Empirical relative orientation of incomplete models. 1 (NTJL) 
No. 1, 1966. 
1 In Norwegian language. 
2 In English language. 
3 In German language.