<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>6214</termId><termName>BIOMAS</termName><termType>TT</termType><termLanguage>es</termLanguage><termVocabulary>Vocabulario de la Biblioteca Central de la FFyL</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>BIOMAS</termSortkey><termCreatedDate>2011-03-09 10:18:18</termCreatedDate><relation><relationType>RT</relationType><termId>3236</termId><termName>BIOSFERA</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>314</termId><termName>BOSQUES</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>3520</termId><termName>DESIERTOS</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>3639</termId><termName>ECOLOGIA</termName><termType>PT</termType></relation></term>  </Zthes>