<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31471266</termId><termName>pietra di Viggiù</termName><termType>PT</termType><termNote><![CDATA[ A (dolomitic) calcarenite with calcite cement extracted from the quarries of Val Ceresio in the province of Varese, near the town of Viggiù.  ]]></termNote><termCreatedDate>2026-03-30 21:06:50</termCreatedDate><relation><relationType>UF</relationType><termId>31471267</termId><termName>Viggiù limestone</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471268</termId><termName>Viggiù stone</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31457360</termId><termName>limestone by composition</termName><termType>PT</termType></relation></term>  </Zthes>