By van Loenen Bastiaan   Onsrud Harlan J.   in Cartography and Geographic Information Science

ISSN:1545-0465|31|1|3-17

Cartography and Geographic Information Society‎(2004)‎

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By Welle Donker Frederika   van Loenen Bastiaan   Bregt Arnold K.   in ISPRS International Journal of Geo-Information

ISSN:2220-9964|5|4|48-48

MDPI‎(2016)‎

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