%0 conference lecture %@ %A Schulz, M., Cachier, H., Ebinghaus, R., Ferm, M., Krueger, O., Petersen, G., Schneider, B., Schmolke, S. %D 1999 %J European Aerosol Conference, EAC 1999 %T Evolution of the aerosol composition in the BASYS Network study and Lagrangian experiments in summer 1997 and winter 1998 %U %X