In This Issue:
Azimuthal AVO inversion by simulated annealing
David Cho and Gary F. Margrave
5D interpolation to improve AVO and AVAz: a quantitative case history
Jon Downton, Lee Hunt, Daniel Trad, Scott Reynolds, and Scott Hadley
Amplitudes Upon Reflection in Acoustical Experiments
Larry Lines, Enders Robinson, and Sven Treitel
Nearly perfectly matched layer method for seismic wave propagation in poroelastic media
Jingyi Chen
Reflection and transmission coefficients in TI media: exact and linearized phase velocities, eikonals and polarization vectors
P.F. Daley, E.S. Krebes, L.R. Lines, and F. Mahmoudian
Impedance analysis for methane and CO2 discrimination in coalbeds
Diane J. Lespinasse, Christopher R. Clarkson, and Robert J. Ferguson