http://biblioteca1.aunar.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Spencer%20and%20au%3ASpencer%3BDygdon%3BNovak%20&format=rss2 Search results for 'au:"Spencer and au:Spencer;Dygdon;Novak ' at Biblioteca Zambrano Bucheli AUNAR 0 20