Ruvimbo Gamanya Philippe De Maeyer Morgan De Dapper Object-oriented change detection for the city of Harare, Zimbabwe. 571-588 2009 36 Expert Syst. Appl. 1 http://dx.doi.org/10.1016/j.eswa.2007.09.067 db/journals/eswa/eswa36.html#GamanyaMD09