00458nam a22001337a 450000500170000000800410001702000150005805000190007310000220009224500510011426000720016530000280023765000590026520260618140843.0260618b        |||||||| |||| 00| 0 eng d  a0130175765  aGF125G.7b2006  aRichard P. Greene  aExploring the urban community bA gis approach  aUnited State of AmericabPearson Education  (Pearson Prentice Hall)  axiii., 495p., Ill.bHbk  aPrentice Hall Series in Geographic information Science