00568nam a22001812  4500001001100000005001700011008004100028020001700069040001500086100002600101245009500127250001300222260004700235300001700282650004800299700003600347852000300383000001839620151217152127.0091026s         xx           000 0 eng d  a013149502x :  aKABUcKABU1 aLo, C. P.@000017762410aConcepts and techniques of geographic information systems /cC. P. Lo, Albert K. W. Yeung.  a2nd  ed.  aUpper Saddle River, NJ. :bPearson,c2007.  axii, 532  p. 0aGeographic information systems.@00001696121 aYeung, Albert K. W.@00001776251