%0 conference paper,conference lecture %@ %A Macke, A.,Tzschichholz, F. %D 1992 %J ICE/EUCREX: International Cirrus Experiment/European Cloud Radiation Experiment; Fifth Workshop %N %P 159-170 %T Scattering of light by fractal ice particles: a qualitative estimate exemplary for two-dimensional triadic Koch-islands %U %X