TY  - ADVS
TI  - ARC/INFO 7.2.1: the professional geographic information system
AV  - G70.212 A724
PY  - 1998///
CY  - [S.l.]
PB  - s.n.]
KW  - GEOGRAPHIC INFORMATION SYSTEMS
KW  - SOFTWARE
KW  - ARC/INFO
ER  -