OPTICAL RELAXATION PROCESSES IN ORGANIC AMORPHOUS AND SEMI-CRYSTALLINE SYSTEMS AT LOW TEMPERATURES H. P.H. Thijssen, R. van den Berg et S. VölkerJ. Phys. Colloques, 46 C7 (1985) C7-363-C7-367DOI: https://doi.org/10.1051/jphyscol:1985765
