* [The Philolexian Society of Columbia University](http://www.columbia.edu/cu/philo/)
* [Fachschaft Informatik HU Berlin](http://fachschaft.informatik.hu-berlin.de/)
* [Wetknee Books](http://www.wetknee.com/)
+* [IPOL Image Processing On Line](http://www.ipol.im)
Personal sites and blogs
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