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<![CDATA[Biblioteca Univ. Surcolombiana Search for 'Provider:McGraw Hill and au:Orizaga Samperio, Jorge and au:Schwartz, Seymour I. and itype:CG and au:Dunn, David L. and au:Hunter, John G. and au:Araiza MartÃnez, Martha Elena']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AMcGraw%20Hill%20and%20au%3AOrizaga%20Samperio%2C%20Jorge%20and%20au%3ASchwartz%2C%20Seymour%20I.%20and%20itype%3ACG%20and%20au%3ADunn%2C%20David%20L.%20and%20au%3AHunter%2C%20John%20G.%20and%20au%3AAraiza%20Mart%C3%83%C2%ADnez%2C%20Martha%20Elena&format=rss2 0 20