Шэрая шкала: Розніца паміж версіямі

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Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8.6
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(Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8.6)
* [http://www.fotoleto.ru/monitor/monitor-3.html Шэрая шкала для манітора (на ўвесь экран)]
* [http://www.cambridgeincolour.com/tutorials/color-black-white.htm Converting a Digital Color Photo Into Black and White], includes a background on color filter use in traditional film photography, how black and white conversion works, and a comparison of digital conversion techniques
* [http://www.mydesignprimer.com/graphics/30003.html My Design Primer article] {{Архівавана|url=https://web.archive.org/web/20060412181946/http://www.mydesignprimer.com/graphics/30003.html |date=12 красавіка 2006 }}
 
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