Proceedings of the 8th ACM international symposium on Advances in geographic information systems. Association for Computing Machinery (ACM).
Chicago-referens (17:e uppl.)Proceedings of the 8th ACM International Symposium on Advances in Geographic Information Systems. Association for Computing Machinery (ACM).
MLA-referens (9:e uppl.)Proceedings of the 8th ACM International Symposium on Advances in Geographic Information Systems. Association for Computing Machinery (ACM).
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