000 00307nam a2200109Ia 4500
008 230302s9999 xx 000 0 und d
082 _a005.14LO
100 _aLO (C.P)/ YEUNG (Albert K.W)
245 _aConcepts and Techniques of Grographic Information Systems
260 _aNEW DELHI
_bPHI
365 _cRS
999 _c146655
_d146655