<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">Russell effect</topic></authority><related type="broader"><topic>photographic processing and presentation techniques</topic></related><variant type="other"><topic>effect, Russell</topic></variant><variant type="other"><topic>photechic effect</topic></variant> <note xml:lang="en"><![CDATA[ The rendering of a photographic plate developable by agents other than light such as a resin, metal, volatile liquid, or printing ink; Discovered by English chemist William James Russell in 1897. ]]></note></mads>