<![CDATA[Biblioteca Univ. Surcolombiana Search for 'au:"Balanis, Constantine A." and su-to:Electromagnetismo']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Balanis%2C%20Constantine%20A.%22%20and%20su-to%3AElectromagnetismo&format=rss2 2 0 50