<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>20085</termId><termName>Cuencas fluviales de America</termName><termType>PT</termType><termCreatedDate>1993-07-13 18:01:00</termCreatedDate><relation><relationType>BT</relationType><termId>14567</termId><termName>Geografia fisica de America</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>7352</termId><termName>Cuencas fluviales</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>28287</termId><termName>Cuencas fluviales de Centroamerica</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>28955</termId><termName>Cuencas fluviales de Estados Unidos</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>6688</termId><termName>Cuencas fluviales de Iberoamerica</termName><termType>PT</termType></relation></term>  </Zthes>