Photoacoustic transformation in magnetically active media under the interaction of opposing light waves G.S. Mityurich, V.P. Zelenyi, A.P. Zelenyi et A.N. Serdyukov J. Phys. IV France, 04 C7 (1994) C7-769-C7-772 DOI: 10.1051/jp4:19947181