Propagation velocity uncertainty on GPR SAR processing Wu, Renbiao ; Gu, Kunlong ; Li, Jian ; Habersat, J. ; Maksymonko, G. Abstract Publication: IEEE Transactions on Aerospace Electronic Systems Pub Date: July 2003 DOI: 10.1109/TAES.2003.1238741 Bibcode: 2003ITAES..39..849W