[IEEE 2014 IEEE Conference on Antenna Measurements & Applications (CAMA) - Antibes Juan-les-Pins, France (2014.11.16-2014.11.19)] 2014 IEEE Conference on Antenna Measurements & Applications (CAMA) - Application of Generalized Equivalent Circuits (GEC) method based on the polarization current, to analyses electromagnetic scattering by dielectric slab with neglected thickness: Application to the characterization of vegetation leaves