<![CDATA[Bibliotecas do IPB Search for 'au:Richard Courant | Fritz John']]> https://bibliotecas.ipb.pt/cgi-bin/koha/opac-search.pl?q=ccl=au%3ARichard%20Courant%20%7C%20Fritz%20John&format=rss2 Search results for 'au:Richard Courant | Fritz John' at Bibliotecas do IPB 0 20