<?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">chalk sticks</topic></authority><related type="broader"><topic>drafting, drawing and writing equipment by specific type</topic></related><variant type="other"><topic>chalk</topic></variant><variant type="other"><topic>chalk stick</topic></variant><variant type="other"><topic>sticks, chalk</topic></variant> <note xml:lang="en"><![CDATA[ Slender, compressed cylinders of material often made from calcium sulfate in its dihydrate form, gypsum. Most often used to write on blackboards or chalkboards in classroom contexts, but also for many other marking purposes. ]]></note></mads>