SpringerLink (Online service) & Xiao, N. (2012). Geographic information science: 7th International Conference, GIScience 2012, Columbus, OH, USA, September 18-21, 2012. Proceedings. Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service) και Ningchuan Xiao. Geographic Information Science: 7th International Conference, GIScience 2012, Columbus, OH, USA, September 18-21, 2012. Proceedings. Berlin, Heidelberg: Imprint: Springer, 2012.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service) και Ningchuan Xiao. Geographic Information Science: 7th International Conference, GIScience 2012, Columbus, OH, USA, September 18-21, 2012. Proceedings. Imprint: Springer, 2012.
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