An investigation into electrical ageing of insulating polymers by detection of charge injection under alternative divergent fieldA. Hadid, C. Laurent, M. Mammeri, R. Clavreul, F. Duchateau et J. BerdalaJ. Phys. III France, 4 1 (1994) 35-53DOI: https://doi.org/10.1051/jp3:1994111