Characterization of Eyjafjallajokull volcanic ash particles and a protocol for rapid risk assessment

S. R. Gislason, Tue Hassenkam, Sorin Nedel, Nicolas Emile Bovet, E. S. Eiriksdottir, H. A. Alfredsson, Caroline Piper Hem, Zoltan Imre Balogh, Knud Dideriksen, N. Oskarsson, B. Sigfusson, G. Larsen, Susan Louise Svane Stipp