Importance of size representation and morphology in modelling optical properties of black carbon: comparison between laboratory measurements and model simulations oleh B. Romshoo, M. Pöhlker, A. Wiedensohler, S. Pfeifer, J. Saturno, A. Nowak, K. Ciupek, P. Quincey, K. Vasilatou, M. N. Ess, M. Gini, K. Eleftheriadis, C. Robins, F. Gaie-Levrel, T. Müller