@Article{npg-15-287-2008, AUTHOR = {Sutarno, D.}, TITLE = {Constrained robust estimation of magnetotelluric impedance functions based on a bounded-influence regression M-estimator and the Hilbert transform}, JOURNAL = {Nonlinear Processes in Geophysics}, VOLUME = {15}, YEAR = {2008}, NUMBER = {2}, PAGES = {287--293}, URL = {http://www.nonlin-processes-geophys.net/15/287/2008/}, ISSN = {1023-5809} }