<![CDATA[UCEL - Biblioteca Universitaria Pr. Thomas Wood Search for 'au:Popper, Karl R. and branch:UCEL and au:S������nchez de Zavala, Victor,']]> http://biblioteca.ucel.edu.ar/cgi-bin/koha/opac-search.pl?q=ccl=au:Popper, Karl R. and branch:UCEL and au:S������nchez de Zavala, Victor,&format=rss2 0 20