TY - JOUR A1 - Sutarno, D. T1 - Constrained robust estimation of magnetotelluric impedance functions based on a bounded-influence regression M-estimator and the Hilbert transform JO - Nonlin. Processes Geophys. J1 - NPG VL - 15 IS - 2 SP - 287 EP - 293 Y1 - 2008/03/25 PB - Copernicus Publications SN - 1023-5809 UR - http://www.nonlin-processes-geophys.net/15/287/2008/ L1 - http://www.nonlin-processes-geophys.net/15/287/2008/npg-15-287-2008.pdf ER -