%0 conference lecture (invited) %@ %A Alpers, W.,Sikora, T.,Ivanov, A.,Horstmann, J.,Mitnik, L. %D 2006 %J International Geophysics and Remote Sensing Symposium, IGARSS 2006 %N %P %T On the discrimination between oceanic and atmospheric fronts on SAR images of the sea surface %U %X