RT Journal Article SR Electronic(1) A1 G. Pratt, R. A1 H. Chapman, C.YR 1990 T1 Travel time tomography in anisotropic media JF , VO OP SP cp-53-00039 DO https://doi.org/10.3997/2214-4609.201411886 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.201411886