http://catalogo.umet.edu.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A%222580%22%20_dsc%20and%20au%3ABecker%2C%20Howard%20S.&format=rss2 Search results for 'an:"2580" _dsc and au:Becker, Howard S.' at Catalogo de las Biblioteca UMET - ISO y CITRA (CONICET) 0 20