| − | if in_array (class, {'arxiv', 'biorxiv', 'citeseerx', 'ssrn', 'journal', 'news', 'magazine'}) or (in_array (class, {'conference', 'interview', 'map', 'press release', 'web'}) and is_set(data.Periodical)) or | + | if in_array (class, {'arxiv', 'biorxiv', 'citeseerx', 'ssrn', 'journal', 'news', 'magazine'}) or |
| | + | (in_array (class, {'conference', 'interview', 'map', 'press release', 'web'}) and is_set(data.Periodical)) or |