@article{eage:/content/papers/10.3997/2214-4609.201410358, author = "E. Johnstad, S. and Ahmed, H.", title = "Reservoir monitoring using the VSP technique. A case study in the Oseberg field", journal= "", year = "1992", volume = "", number = "", pages = "", doi = "https://doi.org/10.3997/2214-4609.201410358", url = "https://www.earthdoc.org/content/papers/10.3997/2214-4609.201410358", publisher = "European Association of Geoscientists & Engineers", issn = "2214-4609", type = "", eid = "cp-45-00020", }