%0 Journal Article %A Roberts, M.A. %A Singh, S.C. %T Elastic Parameter Estimation from the 2D Waveform Inversion of a Look-Ahead Walk-Away VSP Survey %D 2006 %J , %V %@ 2214-4609 %C cp-2-00097 %R https://doi.org/10.3997/2214-4609.201402089 %I European Association of Geoscientists & Engineers, %X %U https://www.earthdoc.org/content/papers/10.3997/2214-4609.201402089