000			00534nam a22001817a 4500
008			160323b xxu||||| |||| 00| 0 eng d
020			_a9780273722595
050			_aG70.2 _bHEY 2011
100			_aHeywood, Ian.
245			_aAn introduction to Geographical Information systems./ _c Ian heywood.
250			_a4th. ed.
260			_aPearson/Prentice Hall: _bHarlow, England, _c2011.
300			_axxx, 446 p.:
650			_aGeographic Information Systems.
700			_aSarah Cornelius
700			_aSteve Carver.
942			_2lcc _cBK
999			_c925 _d925