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<![CDATA[Biblioteca da Universidade do Minho Search for 'Robert%20J.%20Barro%2C%20Xavier%20Sala-i-Martin']]> https://catalogo.usdb.uminho.pt/cgi-bin/koha/opac-search.pl?idx=au&q=Robert%252520J.%252520Barro%25252C%252520Xavier%252520Sala-i-Martin&sort_by=relevance_dsc&format=rss2 0 20