GROUND AMPLIFICATION IN THE NEIGHBORHOOD OF A GROUP OF MUTUALLY PARALLEL TRIANGULAR RIDGE MOUNTAINS SUBJECTED TO SHEAR HORIZONTAL SEISMIC WAVES A. WIRGIN et L. KOUOH-BILLEJ. Phys. IV France, 02 C1 (1992) C1-729-C1-732DOI: https://doi.org/10.1051/jp4:19921158