000 00324nam a2200121Ia 4500
008 221001s1993 xx 000 0 eng d
020 _a0582214327
082 _a910.00285 UND
245 0 _aUnderstanding GIS: The ARC/INFO method
260 _aEssex
_bLongman Group
_c1993
300 _aVarious pagination.
942 _2ddc
_cREF
999 _c13513
_d13513