| Affiliation: | NASA |
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Wu, Z., N. Huang, S. Long, and C.-K. Peng (2007). On the trend, detrending, and variability of nonlinear and nonstationary time series. PNAS, 104(38), 14889-14894
Mann, J.L., S. Long, C.A. Shuman, and W.R. Kelly (2005). Determination of Mercury Content in a Shallow Firn Core from Greenland by Isotope Dilution Inductively Coupled Plasma Mass Spectrometry. Water, Air, and Soil Pollution, 163, 19-32
Huang, N., M.C. Wu, S. Long, S.S. P.Shen, W. Qu, P. Gloersen, and K.L. Fan (2003). A confidence limit for the empirical mode decomposition and Hilbert spectral analysis. The Royal Society, 459, 2317-2345