File:Dirk Helbing (cropped).jpg

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Dirk_Helbing_(cropped).jpg (381 × 453 pixels, file size: 31 KB, MIME type: image/jpeg)

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English: Presenting on citizen science at Swissnex
Date
Source Own work
Author Pete Forsyth
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I, the copyright holder of this work, hereby publish it under the following license:
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This file is licensed under the Creative Commons Attribution 4.0 International license.
Attribution: Pete Forsyth, Wiki Strategies
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  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

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Date/TimeThumbnailDimensionsUserComment
current09:30, 15 June 2017Thumbnail for version as of 09:30, 15 June 2017381 × 453 (31 KB)Frze (talk | contribs)File:Dirk Helbing.jpg cropped 42 % horizontally and 59 % vertically using CropTool with precise mode.

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