Lecture Monitoring air quality: the role of OSSEs in determining the future global observing system. Lahoz, W.; Attie, J.L.; Abida, R.; El Amraoui, L.; Hache, E.; Ricaud, P.; Peuch, V.H.; Orphal, J. Publication details Presented at ESA Living Planet Symposium 2013, Edinburgh, United Kingdom, September 9-13, 2013. Link: http://www.livingplanet2013.org/abstracts/848096.htm