Proceedings of the 4th European Conference on Space Debris, 18-20 April 2005, ESA/ESOC, Darmstadt, Germany. pp.521-526, 2005. Noordwijk, The Netherlands. ESA Publications Division
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Proceedings of 6th International Workshop on Science and Applications of SAR Polarimetry and Polarimetric Interferometry : PolInSAR 2013 : 28 January-1 February 2013, Frascati, Italy. 2013. Noordwijk, The Netherlands. ESA Communications