EXPERIMENTAL DETERMINATION OF THE TRANSDUCER ACOUSTIC VELOCITY IN A SONAR ARRAY USING ACOUSTICAL HOLOGRAPHY TECHNIQUES C. GIANGRECO, J. GARCIN et C. AUDOLYJ. Phys. Colloques, 51 C2 (1990) C2-745-C2-748DOI: https://doi.org/10.1051/jphyscol:19902173