<?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">collotype</topic></authority><related type="narrower"><topic>heliotype</topic></related><related type="narrower"><topic>phototype</topic></related><related type="other"><topic>collotypes</topic></related><related type="other"><topic>collotypists</topic></related><related type="broader"><topic>photolithography</topic></related><variant type="other"><topic>collotype process</topic></variant> <note xml:lang="en"><![CDATA[ A type of photolithography in which the printing plate is prepared using a bichromate process. Unhardened gelatin areas hold water and thus resist greasy ink; hardened areas accept ink and hold it in the characteristic wormlike pattern of cracks. ]]></note></mads>