Lluis Jofre Anna Papió Toda Josep Miquel Jornet Montana Patricia Ceballos Carrascosa Jordi Romeu Sebastian Blanch Angel Cardama UWB Short-Range Bifocusing Tomographic Imaging. 2414-2420 2008 57 IEEE T. Instrumentation and Measurement 11 http://dx.doi.org/10.1109/TIM.2008.926382 db/journals/tim/tim57.html#JofreTMCRBC08