<![CDATA[Biblioteca Univ. Surcolombiana Search for 'au:Mac Lane, Saunders and au:Birkhoff, Garrett']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=au%3AMac%20Lane%2C%20Saunders%20and%20au%3ABirkhoff%2C%20Garrett&format=rss2 2 0 50