\begin{thebibliography}{}

\bibitem[\protect\citeauthoryear{Bleistein}{1984}]{blei02}
Bleistein, N., 1984, Mathematical methods for wave phenomena: Academic Press
  Inc.

\bibitem[\protect\citeauthoryear{Bleistein}{1987}]{blei01}
Bleistein, N., 1987, On the imaging of reflectors in the earth: Geophysics,
  {\bf 52}, no. 7, 931--942.

\bibitem[\protect\citeauthoryear{Claerbout}{1997}]{iei}
Claerbout, J., 1997, Imaging the earth's interior:
  \texttt{http://sepwww.stanford.edu/sep/prof/toc_html/iei.}

\bibitem[\protect\citeauthoryear{Clapp}{2005}]{Mclapp122}
Clapp, M.~L., 2005, Imaging under salt: illumination compensation by
  regularized inversion: Ph.D. thesis, Stanford University.

\bibitem[\protect\citeauthoryear{Fomel}{2003}]{fomel01}
Fomel, S., 2003, Angle-domain seismic imaging and the oriented wave equation:
  73rd Ann. Internat. Mtg, Soc. Expl. Geophys., Expanded Abstracts, pages
  893--896.

\bibitem[\protect\citeauthoryear{Prucha \bgroup et al.\egroup
  }{1999}]{Prucha.sep.100.marie1}
Prucha, M.~L., B.~L. Biondi, and W.~W. Symes, 1999, Angle-domain common image
  gathers by wave-equation migration: SEP--{\bf 100}, 101--112.

\bibitem[\protect\citeauthoryear{Prucha \bgroup et al.\egroup
  }{2000}]{Prucha.sep.103.marie1}
Prucha, M.~L., R.~G. Clapp, and B.~Biondi, 2000, Seismic image regularization
  in the reflection angle domain: SEP--{\bf 103}, 109--119.

\bibitem[\protect\citeauthoryear{Sava and Fomel}{2000}]{Sava.sep.103.paul2}
Sava, P. and S.~Fomel, 2000, Angle-gathers by {F}ourier {T}ransform: SEP--{\bf
  103}, 119--130.

\bibitem[\protect\citeauthoryear{Tang}{2007}]{Tang.sep.129.yaxun1}
Tang, Y., 2007, Selective stacking in the reflection-angle and azimuth domain:
  SEP--{\bf 129}, 159--178.

\bibitem[\protect\citeauthoryear{Tygel \bgroup et al.\egroup }{1993}]{tygel}
Tygel, M., J.~Schleicher, P.~Hubral, and C.~Hanitzsch, 1993, Multiple weights
  in diffraction stack migration: Geophysics, {\bf 59}, no. 12, 1820--1830.

\bibitem[\protect\citeauthoryear{Valenciano and
  Biondi}{2005}]{Valenciano.sep.123.alejandro1}
Valenciano, A.~A. and B.~Biondi, 2005, Wave-equation angle-domain hessian:
  SEP--{\bf 123}, 75--82.

\bibitem[\protect\citeauthoryear{Valenciano}{2006}]{Valenciano.sep.124.alejand%
ro1}
Valenciano, A.~A., 2006, Target-oriented wave-equation inversion with
  regularization in the subsurface offset domain: SEP--{\bf 124}, 85--94.

\bibitem[\protect\citeauthoryear{Valenciano}{2007}]{Valenciano.sep.131.alejand%
ro1}
Valenciano, A.~A., 2007, Target-oriented wave-equation inversion:
  regularization in the reflection angle.: SEP--{\bf 131}.

\end{thebibliography}
