TY - BOOK AU - Van Niel, Kimbberly ED - Delaney, Julie TI - Geographical information systems : : an introduction SN - 9780195556070 AV - G70.2 DEL 2007 PY - 2007/// CY - Oxford University Press, PB - Oxford, KW - Geographic Information Systems KW - Geographic information systems KW - Geographic information systems Software ER -