In This Issue:
- On Raytracing in Constant - Velocity - Gradient Media: Geometrical Approach
M. Epstein and M.A. Slawinski - On Rays and Ray Parameters in Inhomogeneous - Isotropic Media
M. Epstein and M.A. Slawinski - Field Test for Linearity of Seismoelectric Conversions
K.E. Butler, S.W. Fleming and R.D. Russell - On Raytracing in Constant Velocity - Gradient Media: Calculus Approach
R.A. Slawinski and M.A. Slawinski - On Generalized Ray Parameters for Velocity Inhomogeneous and Anisotropic Media
M.A. Slawinski and P.S. Webster - Density and AVO
L. Lines - A Quantitative Study of the Effects of Tuning on AVO Effects for Thin Beds
H-M Chung and D.C. Lawton - Comments and Response