@conference {12929,
	title = {Land cover thematic map production by photointerpretation and quantitative analysis of satellite imagery.},
	booktitle = {5th Pan-hellenic Geographical Conference},
	year = {1999},
	author = {Vaiopoulos, D. and Vassilopoulos, A. and Evelpidou, N. and Vassilas, N. and Perantonis, S. and Charou, E. and Varoufakis, S.}
}
