Fig. 1. Spiegelneuronen. "Farbiger Kontinent." Fickr. Yahoo!, 28 June 2010. Web. 12 April 2015. <https://flic.kr/p/9Qhjp7>
Flickr image courtesy of Spiegelneuronen. Available under a Attribution-Noncommercial-Share Alike 2.0 license
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