<?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">Blue Wool Standard</topic></authority><related type="broader"><topic>standards</topic></related><variant type="other"><topic>BWS</topic></variant><variant type="other"><topic>ISO 105-B08:1995</topic></variant><variant type="other"><topic>ISO Standard R 105</topic></variant> <note xml:lang="en"><![CDATA[ An ISO standard developed to measure and calibrate lightfastness and fading of colorants and other materials. It consists of a card that contains eight sections of blue-dyed wool cloth, each with a different lightfastness. The dyes fade at a known rate.  ]]></note></mads>