COTTON-MOUTON BIREFRINGENCE IN FERRIMAGNETIC GARNETS G. A. SMOLENSKY, R.V. PISAREV, I. G. SINY and N. N. KOLPAKOVA J. Phys. Colloques, 32 C1 (1971) C1-1048-C1-1050 DOI: 10.1051/jphyscol:19711376