John Hallam, James B. H. Kwa, J. A. M. Howe. Knowledge-Based Surface Classification Using Specular Sonar Echoes. In Louis O. Hertzberger, Frans C. A. Groen, editors, Intelligent Autonomous Systems, An International Conference, Amsterdam, The Netherlands, 8-11 December 1986. pages 251-257, North-Holland, 1986.
Abstract is missing.