<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31457313</termId><termName>trass</termName><termType>PT</termType><termNote><![CDATA[ Volcanic material found in the Rhine district of Germany that is similar to pozzolan cement. ]]></termNote><termCreatedDate>2026-03-30 21:03:05</termCreatedDate><relation><relationType>UF</relationType><termId>31457314</termId><termName>tarras</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31438494</termId><termName>pyroclastic rock</termName><termType>PT</termType></relation></term>  </Zthes>