Potmesil, M.: Maps alive : viewing geospatial information on the WWW (1997)
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- Date
- 1. 8.1996 22:08:06
23. 1.1999 19:37:32
Nicholas, D.: LISA Plus on CD-ROM : version 4 (1997)
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- Date
- 9. 2.1997 18:44:22
23. 1.1999 19:33:37