RT Journal Article SR Electronic(1) A1 C. Scheffers, B.YR 1992 T1 Combined traveltime inversion of shallow seismic data: data acquisition and inversion JF , VO OP SP cp-45-00367 DO https://doi.org/10.3997/2214-4609.201410705 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.201410705