Program sfinternalmult | Generate internal multiples by using virtual seismic data. 
[SYNOPSIS]
sfinternalmult < in.rsf > out.rsf dif=dif.rsf verb=n stack=n both=n jumpo=1 jumps=1
[PARAMETERS]
bool    | both | =n |  [y/n] | 	receiver flag, if y, receiver with both sides 
string  | dif | = |   | 	auxiliary input file name
int     | jumpo | =1 |   | 	jump in offset dimension, only for stack=n 
int     | jumps | =1 |   | 	jump in shot dimension, only for stack=n  
bool    | stack | =n |  [y/n] | 	stack flag, if y, no common multiple gather 
bool    | verb | =n |  [y/n] | 	verbosity flag 
[DIRECTORY]
user/yliu
