@article{Macdonald2021,
author = {Macdonald, Elena and Otero, Noelia and Butler, Tim},
year = {2021},
language = {eng},
copyright = {https://creativecommons.org/licenses/by/4.0/},
title = {A comparison of long-term trends in observations and emission inventories of NOx},
volume = {21},
issn = {1680-7316},
pages = {4007 - 4023},
url = "http://dx.doi.org/10.17169/refubium-30254",
}