An introduction to geographical information systems /
Heywood, Ian.
An introduction to geographical information systems / Geographical information systems Ian Heywood, Sarah Cornelius, and Steve Carver. - 2nd ed. - Harlow, England ; New York : Prentice Hall, 2002. - xv, 295 p.
0130611980 (pbk.) 9780130611987
Geographic information systems.
910.285 / HEY-I
An introduction to geographical information systems / Geographical information systems Ian Heywood, Sarah Cornelius, and Steve Carver. - 2nd ed. - Harlow, England ; New York : Prentice Hall, 2002. - xv, 295 p.
0130611980 (pbk.) 9780130611987
Geographic information systems.
910.285 / HEY-I