https://bibliotecas.ipb.pt/cgi-bin/koha/opac-search.pl?q=ccl=au%3AErnest%20Hadorn%20%7C%20Rudiger%20Wehner%20and%20au%3AWehner%2C%20Rudiger%20and%20available&format=rss2 Search results for 'au:Ernest Hadorn | Rudiger Wehner and au:Wehner, Rudiger and available' at Bibliotecas do IPB 0 20