@misc{79253, keywords = {annual seminar}, author = {D. Fonteyn and S. Bonjean and S. Chabrillat and F. Daerden and Q. Errera}, title = {Chemical data assimilation at VIRA - IASB}, year = {2005}, journal = {ECMWF Annual Seminar 2005}, month = {2005}, language = {eng}, }