TY - JOUR A1 - Rolfes, I. T1 - Obstacle-based self-calibration techniques for the determination of the permittivity of liquids JO - Adv. Radio Sci. J1 - ARS VL - 5 SP - 29 EP - 35 Y1 - 2007/06/12 PB - Copernicus Publications SN - 1684-9965 UR - http://www.adv-radio-sci.net/5/29/2007/ L1 - http://www.adv-radio-sci.net/5/29/2007/ars-5-29-2007.pdf ER -