RT Journal Article SR Electronic(1) A1 Aleixo, R. A1 Schleicher, J.YR 2008 T1 Traveltime Approximations in VTI Media JF , VO OP SP cp-40-00487 DO https://doi.org/10.3997/2214-4609.20148027 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.20148027