@Unpublished{CBP00a, author = {Cardone, G. and Bonomi, E. and Pieroni, E.}, title = {Ultrasonic reflectivity imaging with a depth extrapolation algorithm}, year = {2000}, note = {SFB Conference on Inverse Problems (Abstract) - Strobl, Austria}, url = {https://publications.crs4.it/pubdocs/2000/CBP00a}, }