--- - description: ~ display_name: Evidence for variability of atmospheric hydroxyl radicals over the past quarter century doi: 10.1029/2004gl022228 identifier: 10.1029/2004gl022228 journal_identifier: geophysical-research-letters journal_pages: L07809 journal_vol: 32 notes: ~ title: Evidence for variability of atmospheric hydroxyl radicals over the past quarter century type: article uri: /article/10.1029/2004gl022228 url: ~ year: 2005