<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>15821</termId><termName>Estructura economica de America</termName><termType>PT</termType><termCreatedDate>1993-07-13 17:58:00</termCreatedDate><relation><relationType>BT</relationType><termId>15633</termId><termName>Economia de America</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>16132</termId><termName>Estructura económica</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>16431</termId><termName>Estructura agraria de America</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>18164</termId><termName>Estructura economica de Canada</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>18329</termId><termName>Estructura economica de Centroamerica</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>10873</termId><termName>Estructura economica de Estados Unidos</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>5375</termId><termName>Estructura economica de Iberoamerica</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>16742</termId><termName>Estructura economica del Caribe</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>16530</termId><termName>Sector informal de America</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>15946</termId><termName>Sector primario de America</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>16467</termId><termName>Sector privado de America</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>16473</termId><termName>Sector publico de America</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>15965</termId><termName>Sector secundario de America</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>16541</termId><termName>Sector terciario de America</termName><termType>PT</termType></relation></term>  </Zthes>