<![CDATA[Sec. Geral Ministério da Economia Search for 'an:1252 and su-to:TRATAMENTO DE EFLUENTES and au:MAES, M.']]> http://catalogo.biblioteca.min-economia.pt/cgi-bin/koha/opac-search.pl?q=ccl=an%3A1252%20and%20su-to%3ATRATAMENTO%20DE%20EFLUENTES%20and%20au%3AMAES%2C%20M.&format=rss2 3 0 50