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Acta Scientifica Academiae Ostroviensis > 2011 > 35-36 > 33-43
Geomatics and Environmental Engineering > 2010 > Vol. 4, no. 3 > 41-50
Acta Scientifica Academiae Ostroviensis > 2011 > 35-36 > 33-43
Geomatics and Environmental Engineering > 2010 > Vol. 4, no. 3 > 41-50