Program sfmodrefl | Normal reflectivity modeling. 
[SYNOPSIS]
sfmodrefl < depth.rsf vp=vp.rsf vs=vs.rsf rho=rho.rsf > dat.rsf nt= dt= nw=4
[PARAMETERS]
float   | dt | = |   | 	time sampling 
int     | nt | = |   | 	time samples 
int     | nw | =4 |   | 	interpolation length 
file    | rho | = |   | 	auxiliary input file name
file    | vp | = |   | 	auxiliary input file name
file    | vs | = |   | 	auxiliary input file name
[DIRECTORY]
system/seismic
