http://3313.bepe.ar/cgi-bin/koha/opac-search.pl?q=ccl=pb%253ACalibroscopio%20and%20au%3ASinger%252C%2520Irene&format=rss2 Search results for 'pb%3ACalibroscopio and au:Singer%2C%20Irene' at Biblioteca Central de la Provincia de Buenos Aires 0 20