Air quality : annual topic update 2000 /

Por Bannink, Bert A., Aalst, Roel van.
Publicado em 2001

Air pollution by ozone in Europe in summer 2001 : overview of exceedances of EC ozone threshold values during the summer season April-August 2001 /

Por Leeuw, Frank de., Bogman, Ferdinand., Aalst, Roel van.
Publicado em 2001

Air quality in the Phare countries 1997 /

Por Blagoev, Stoyan., Aalst, Roel van., European Environment Agency.
Publicado em 2002

Air pollution by ozone in Europe in 1998 and summer 1999 /

Por Leeuw, Frank de., Sluyter, Rob., Camu, Annemarieke., Aalst, Roel van
Publicado em 2000

Air quality in larger cities in the European Union : a contribution to the Auto-Oil II programme /

Por Leeuw, Frank de., Jol, André., Aalst, Roel van., European Environment Agency.
Publicado em 2001

Air pollution by ozone in Europe in summer 2003 : Overview of exceedances of EC ozone threshold values during the summer season April-August 2003 and comparisons with previous year...

Por Fiala, Jaroslav., Cernikovskÿ, Libor., Kurfuerst, Pavel., Aalst, Roel van., European Union.
Publicado em 2003