00536nam a2200145Ia 450000500170000008000180001710000180003524500720005326000300012530000150015552001720017058300190034294200120036199900170037320260716043138.0  a17.03.01 M379  aMartin, David  aGeographic information systems and their socioeconomic applications  bRoutledgeaLondonGBc1991  axvii,182p.  aExplains geographic information systems (GIS) technology, its theory and applications, which makes specific reference to data on populations and their characteristics.  c3/7/00kM2LMGR  cMmM379  c41253d41253