RT Journal Article SR Electronic(1) A1 Bulant, P. A1 Klimeš, L.YR 2008 T1 Comparison of VSP and Sonic-log Data in Nonvertical Wells in a Heterogeneous Structure JF , VO OP SP cp-92-00026 DO https://doi.org/10.3997/2214-4609.20147530 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.20147530