TRAPPING SITES, OPTICAL DAMAGE, AND THERMALLY STIMULATED CURRENT IN FERROELECTRIC OXIDE CRYSTALS R. CLARKE, F. W. AINGER et J. C. BURFOOTJ. Phys. Colloques, 33 C2 (1972) C2-143-C2-145DOI: https://doi.org/10.1051/jphyscol:1972249