RT Journal Article SR Electronic(1) A1 Madrid, J.A. A1 Traslosheros, J.C.V.YR 1991 T1 Tomographic Inversion of Travel Time Data for Estimating VelocityStructure and Discontinuities JF , VO OP SP cp-316-00149 DO https://doi.org/10.3997/2214-4609-pdb.316.149 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.316.149