<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>16585</termId><termName>Recursos naturales de Puerto Rico</termName><termType>PT</termType><termCreatedDate>1993-07-13 17:59:00</termCreatedDate><relation><relationType>BT</relationType><termId>10024</termId><termName>Condiciones economicas de Puerto Rico</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>17461</termId><termName>Recursos naturales del Caribe</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>6574</termId><termName>Recursos naturales de Iberoamerica</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>30577</termId><termName>Recursos forestales de Puerto Rico</termName><termType>PT</termType></relation></term>  </Zthes>