Synopsis
		sfthin < seis.rsf > refl.rsf wave=wave.rsf conv=conv.rsf niter=100 eps=0.0001 pclip=4

Parameters
		string conv= auxiliary output file name   float eps=0.0001 regularization for Wiener deconvolution   int niter=100 maximum number of iterations   float pclip=4 percentage to threshold   file wave= auxiliary input file name