File:Etalon-2.pngDescriptionEtalon-2.png Etalon transmission plot Source en:File:Etalon-2.png (01:14, 9 October 2004) Author en:User:DrBob Permission (Reusing this file)
File:Etalon-1-corr.svgimages: File:Etalon-1.svg licensed with Cc-by-sa-3.0-migrated-with-disclaimers, GFDL-en 2009-10-20T18:42Z Kevin j morse (talk) File:Etalon-1.png licensed
File:Etalon-1.pngfrom english Wikipedia Derivative works of this file: Etalon-1.svg Etalon-1-corr.svg English
File:Etalon-1.svgchoice. This image is a derivative work of the following images: File:Etalon-1.png licensed with Cc-by-sa-3.0-migrated-with-disclaimers, GFDL-en 2005-08-28T19:37:11Z