Scientific journal publication Evolution of NOx emissions in Europe with focus on road transport control measures. Vestreng, V.; Ntziachristos, L.; Semb, A.; Reis, S.; Isaksen, I.S.A.; Tarrasón, L. Publication details Journal: Atmospheric Chemistry and Physics, 9, 1503–1520, 2009 Link: acp-9-1503-2009