Shi, L., C. Allen, J.R. Ledford, F. Rodriguez-Morales, W.A. Blake, B.G. Panzer, S.C. Prokopiack, C.J. Leuschen, and S. Gogineni (2010), Multichannel Coherent Radar Depth Sounder for NASA Operation Ice Bridge, Proc. IGARSS, 1729-1732.