https://biblioteca.isel.pt/cgi-bin/koha/opac-shelves.pl?rss=1&viewshelf=754 RSS feed for public list Calculus: A New Horizon https://biblioteca.isel.pt/cgi-bin/koha/opac-detail.pl?biblionumber=11384 https://biblioteca.isel.pt/cgi-bin/koha/opac-detail.pl?biblionumber=12736