TY - JOUR A1 - Valks, P. J. M. A1 - Velders, G. J. M. T1 - The present-day and future impact of NOx emissions from subsonic aircraft on the atmosphere in relation to the impact of NOx surface sources JO - Ann. Geophys. J1 - ANGEO VL - 17 IS - 8 SP - 1064 EP - 1079 Y1 - 1999/08/31 PB - Springer Verlag SN - 1432-0576 UR - https://angeo.copernicus.org/articles/17/1064/1999/ L1 - https://angeo.copernicus.org/articles/17/1064/1999/angeo-17-1064-1999.pdf DO - 10.1007/s00585-999-1064-7 ER -