<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31310082</termId><termName>air rights</termName><termType>PT</termType><termNote><![CDATA[ Development rights to the space above a piece of real estate; the owner of the land may sell or lease these rights to another party. ]]></termNote><termCreatedDate>2026-03-30 20:23:32</termCreatedDate><relation><relationType>UF</relationType><termId>31310083</termId><termName>air space rights</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31310084</termId><termName>airspace rights</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31310085</termId><termName>rights, air</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31310086</termId><termName>rights, airspace</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31300547</termId><termName>rights</termName><termType>PT</termType></relation></term>  </Zthes>