J-S. Lee, S.R. Cloude, K. P. Papathanassiou, M.R. Grunes, and Iain Woodhouse.
Speckle Filtering and Coherence Estimation of Polarimetric
SAR Interferometry Data for Forest Applications.
IEEE Transactions on Geoscience and Remote Sensing,
41(10):2254-2263, 2003.
(bibtex:
Lee-2003-SFC).