TY - CONF T1 - Identification of the shape of the bottom surface of a channel from a given free surface profile JO - Proceedings of the European Boundary Element Method Symposium PY - 1998/12/01 AU - Lonyangapuo JK AU - Elliott L AU - Ingham DB AU - Wen X ED - SP - 81 EP - 90 Y2 - 2024/12/29 ER -