%0 Journal Article %A B. Haase, A. %T Sommerfeld Integral Based Spherical Wave Field Computations beyond Two Layers and a Three-layer AVO Example %D 2009 %J , %V %@ 2214-4609 %C cp-127-00272 %R https://doi.org/10.3997/2214-4609.201400279 %I European Association of Geoscientists & Engineers, %X %U https://www.earthdoc.org/content/papers/10.3997/2214-4609.201400279