RT Journal Article SR Electronic(1) A1 E. Johnstad, S. A1 Ahmed, H.YR 1992 T1 Reservoir monitoring using the VSP technique. A case study in the Oseberg field JF , VO OP SP cp-45-00020 DO https://doi.org/10.3997/2214-4609.201410358 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.201410358