1. First Born and Rytov approximations: Modeling and inversion conditions in a canonical example
2. Ratcliffe, A., C. Win, V. Vinje, G. Conroy, M. Warner, A. Umpleby, I. Stekl, T. Nangoo, and A. Bertrand, 2011, FWI: A North Sea OBS case study: SEG, Expanded Abstracts, 2384.