Image: DavidOppegaard

Description: Author photo of David Oppegaard
Title: DavidOppegaard
Credit: Own work
Author: David Oppegaard
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Usage Terms: Creative Commons Attribution-Share Alike 4.0-3.0-2.5-2.0-1.0
License: CC BY-SA 4.0-3.0-2.5-2.0-1.0
License Link: http://creativecommons.org/licenses/by-sa/4.0-3.0-2.5-2.0-1.0
Attribution Required?: Yes