00510nam a2200193 a 450000500170000002000180001708200170003510000230005210000250007510000230010024500510012325000190017426000440019330000220023760000080025963000370026785600060030485600060031020251219155829.0  a9780198748618  a910.285bBUR  aBurrough, Peter A.  aMcDonnell, RAchael A  aLloyd, Christopher  aPrinciples of geographical information systems  aInt.nl 3rd ed.  aNew YorkbOxford University Pressc2015  a285 p.c22cm.bPB  bc_  aGeographical information systems  f_  a_