Media type: E-Article Title: Long term NO2 measurements in Hong Kong using LED based long path differential optical absorption spectroscopy Contributor: Chan, Ka Lok [Other]; Pöhler, Denis [Other]; Platt, Ulrich [Other] imprint: 2012 Published in: Atmospheric measurement techniques ; 5(2012), 5, Seite 901-912 Language: English DOI: 10.5194/amt-5-901-2012 ISSN: 1867-8548 Identifier: Origination: Footnote: Access State: Open Access