000 00270pam a2200121 a 4500
020 _c
041 _h
100 _aC.P. Lo . Albert K.W. Young
245 _aConcepts and Techniques of GIS
260 _bPHI Learning Pvt.Ltd.
_c2007
300 _a450
930 _a2005
999 _c247858
_d247858