<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31472615</termId><termName>timbrel vaults</termName><termType>PT</termType><termNote><![CDATA[ Thin vaults of one or more layers of terracotta tiles laid flat edge to edge and deriving their rigidity from cohesion and curvature rather than from massiveness or compression; can be erected without centering. ]]></termNote><termCreatedDate>2026-03-30 21:07:12</termCreatedDate><relation><relationType>UF</relationType><termId>31472616</termId><termName>Catalan vaults</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472617</termId><termName>masonry vaults, thin</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472618</termId><termName>thin masonry vaults</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472619</termId><termName>timbrel vault</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472620</termId><termName>vaults, Catalan</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472621</termId><termName>vaults, thin masonry</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472622</termId><termName>vaults, timbrel</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31458745</termId><termName>vaults by construction</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31478728</termId><termName>Guastavino vaults</termName><termType>PT</termType></relation></term>  </Zthes>