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REFERENCES 
1. C.A.de Bruijn, W.C.L.de Haas, P.Hofstee, A.B.M. Hijl & V.E.L. Polle: 
"Urban Survey with Aerial Photography, a Time for Practice", 
I.T.C. Journal 1976/2. 
2. W.G.Collins and E1-Beik, H.A.Aly: "The Acquisition of Urban Land Use In- 
formation from Aerial Photographs of the city of Leeds", Photo- 
grammetria, v. 27, no 2, p.71-92. 
3. K.J.Due Ker and F.E. Horton: "Urban-change Detection Systems:Remote Sensing 
Inputs", Photogrammetria, v.28,p.89-106 
4. V.F.L.Polle: "Land Use Surveys in City Centres", I.T.C. Journal, 1974/4. 
5. D. Rokos: "Cadastre and Land Consolidation; Land Policy", 
N. Mavrommatis, Athens 1981, pages 273. 
6. D. Rokos: "Natural Resources, Cadastre and Integrated Surveys", Paratiritis, 
Thessaloniki 1981, pages 304. 
7. J. Visser: "Photogrammetry for Urban Mapping" I.T.C. Journal, 1974/5. 
8. M.M. Wittenstein: "Uses and Limitations of Aerial Photography in Urban . 
Analysis and Planning", Photogramm. Eng., v. 20, no.3, p. 410-427 
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