<?xml version="1.0" encoding="utf-8"?><!DOCTYPE catalog PUBLIC "-//OASIS//DTD Entity Resolution XML Catalog V1.0//EN" "http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd"><catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog"><rewriteURI rewritePrefix="../www.classeditori.it/xbrl/2021/" uriStartString="https://www.classeditori.it/xbrl/2021/"></rewriteURI></catalog>