Home Power Magazine — Issue 053 — 1996-06-07
Home Power Magazine — Issue 142 — 2011-04-05
Total Lighting — January 2015
RasPi Magazine — N 6, 2014
Home Power Issue 165, January-February 2015
Home Power Magazine — Issue 047 — 1995-06-07
Home Power Magazine — Issue 002 — 1988-01
Home Power Magazine — Issue 007 — 1988-10-11
Lightwave — February 2007
Plant Engineering — December 2014
Quero Saber — Janeiro 2015
Eureka Magazine — December 2014
Manufacturing and Engineering — Issue 410, 2014
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MAKE Magazine Vol.42, 2014
Electronics For You — January 2015
Elektor Electronics 1997-02
Postal Technology International — January 2015
Silicon Chip 2006-06
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Home Power Magazine — Issue 116 — 2006-12-2007-01
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Traffic Technology International — October-November 2014
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Manufacturing and Engineering — Issue 411, 2014
Traffic Technology International — January 2015
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Mining Global — January 2015
Chemical Engineering World — November 2014
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Eureka Magazine — November 2014
Silicon Chip 2005-12
Technology Review — Magazin Dezember 12, 2014
Lightwave — March 2006
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Manufacturing and Engineering Magazine — Issue 412, 2014
Lightwave — September 2010