Different relevant sessions at the EGU General Assembly in Vienna - like, e.g.: 

AS3.18: Organic nitrogen compounds: implications for aerosol chemistry and the nitrogen cycle

Convener: Ivonne Trebs, MPI Mainz

Co-Convener: Olga L. Mayol-Bracero, ITES

For more information, please see this PDF.

Other relevant sessions can be found at the conference website at http://meetings.copernicus.org/egu2008/,