@article{article, title  = {{Seasonal variation of nitrogen oxides in the central North Atlantic lower free troposphere}},

 publisher = {{American Geophysical Union (AGU)}},

 url = {{}},

 year = {{2008}},

 month = {{9}},

 author = {{Val Martin M and Honrath RE and Owen RC and Li QB}},

 doi = {{10.1029/2007jd009688}},

 volume = {{113}},

 journal = {{Journal of Geophysical Research}},

 issue = {{D17}},

 note = {{Accessed on 2025/02/05}}}