A PHOTO-INDUCED MEMORY EFFECT OBSERVED ON In-Si-Se SYSTEM M. Okuda, T. Matsushita, A. Suzuki, H. Naito et T. NakauJ. Phys. Colloques, 43 C1 (1982) C1-241-C1-246DOI: https://doi.org/10.1051/jphyscol:1982133