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- [3] SOCIAL-PROGRESS - COMPONENTS AND INTEGRATION - FRENCH - GIRARDEAU,E POPULATION, 1962, 17 (03): : 567 - 568
- [7] OGC Seeks Public Comment on Draft Charter for Portrayal Domain Working Group GIM INTERNATIONAL-THE WORLDWIDE MAGAZINE FOR GEOMATICS, 2019, 33 (02): : 13 - 13