00361    a2200133   4500020001800000082001700018100002200035245005100057250000800108260004600116300001600162650003500178650001400213  a9780070658981  a910.285bCHA  aChang, kang-tsung  aIntroduction to geographic information systems  a4th  aNew DelhibTata McGraw - Hillc2008g2008  a464p.c24cm  aGeographic information systems  aGeography