Martin, David .
Geographic information systems : socia-ecnomic applications / by David Martin. - 2nd ed / - New York : Routledge , 1996 - 210p ;
0-415-12571-5
Geography - computer
UOaBV / N6;2
Geographic information systems : socia-ecnomic applications / by David Martin. - 2nd ed / - New York : Routledge , 1996 - 210p ;
0-415-12571-5
Geography - computer
UOaBV / N6;2