User contributions for 57.66.175.6
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28 November 2014
- 13:2213:22, 28 November 2014 diff hist +837 Telegrapher's equations →Solutions of the telegrapher's equations as circuit components current
14 August 2012
- 14:4314:43, 14 August 2012 diff hist +42,328 N Nonimaging optics →Compound parabolic concentrator