Institution: | a Laboratory of Paper Coating and Converting, Center for Functional Materials, Åbo Akademi University, Porthansgatan 3, FI-20500 Åbo/Turku, Finland b Paper Converting and Packaging Technology, Department of Energy and Process Engineering, Tampere University of Technology, P.O. Box 541, FI-33101 Tampere, Finland c Aerosol Physics Laboratory, Department of Physics, Tampere University of Technology, P.O. Box 692, FI-33101 Tampere, Finland |