THE EFFECTS OF ADDITIVES ON THE PYROELECTRIC PROPERTIES OF T. G. S. E. T. KEVE, K. L. BYE, P. W. WHIPPS et A. D. ANNISJ. Phys. Colloques, 33 C2 (1972) C2-229-C2-231DOI: https://doi.org/10.1051/jphyscol:1972279