RT Journal Article SR Electronic(1) A1 Hildebrand, S. A1 Mackay, S.YR 1992 T1 Depth migration velocity analysis: a comparison of two approaches JF , VO OP SP cp-45-00179 DO https://doi.org/10.3997/2214-4609.201410517 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.201410517