<![CDATA[ Search for 'au:"Instituto Politecnico Nacional (Mexico)." and au:Vega Lezama, F. Carlos de la and itype:LIBRO and location:MISSING']]> /cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Instituto%20Politecnico%20Nacional%20%28Mexico%29.%22%20and%20au%3AVega%20Lezama%2C%20F.%20Carlos%20de%20la%20and%20itype%3ALIBRO%20and%20location%3AMISSING&format=rss2 Search results for 'au:"Instituto Politecnico Nacional (Mexico)." and au:Vega Lezama, F. Carlos de la and itype:LIBRO and location:MISSING' at 0 20