The generation of the Biot's slow wave at a fluid-porous solid interface. The influence of impedance mismatch T.E. GÓMEZ-ALVAREZ ARENAS and E. RIERA FRANCO DE SARABIA J. Phys. IV France, 04 C5 (1994) C5-187-C5-190 DOI: 10.1051/jp4:1994535