THE ELECTRICAL PROPERTIES OF NON-LINEAR FERROELECTRIC CERAMICS WITH THE PEROVSKITE STRUCTURE Dr. T. N. VERBITSKAYA, L. M. ALEXANDROVA et L. S. SOKOLOVAJ. Phys. Colloques, 33 C2 (1972) C2-273-C2-275DOI: https://doi.org/10.1051/jphyscol:1972296
