EMITTING OF PHASE CONJUGATE ULTRASOUND WAVE INTO LIQUID BY PARAMETRICALLY EXCITED FERRITE A.P. BRYSEV, F.V. BUNKIN, L.M. KRUTIANSKY, V.L. PREOBRAZHENSKII, Yu.V. PYL'NOV et A.D. STACHOVSKY J. Phys. IV France, 02 C1 (1992) C1-895-C1-898 DOI: 10.1051/jp4:19921195