http://biblioteca1.aunar.edu.co/cgi-bin/koha/opac-search.pl?idx=kw&q=su-rl%3Dau%3A%22Vall%C3%A9s%2C%20S.%20J.%20Carlos%20G.%22&format=rss2 Search results for 'kw,wrdl: su-rl=au:"Vallés, S. J. Carlos G."' at Biblioteca Zambrano Bucheli AUNAR 0 20