no direct link in result list when article is part of national licenses and some other repository
@liowalter @edelm If NL resources were merged together with resources from other repositories there is no direct link in the result list to NL (by intentiton?) Examples https://www.swissbib.ch/Search/Results?type=AllFields&filter%5B%5D=union%3A%22NATIONALLICENCE%22&filter%5B%5D=union%3A%22ZORA%22 https://www.swissbib.ch/Search/Results?type=AllFields&filter%5B%5D=union%3A%22NATIONALLICENCE%22&filter%5B%5D=union%3A%22BORIS%22