Thermally stimulated currents in undoped and doped zinc phthalocyanine films B. Boudjema, N. El-Khatib, M. Gamoudi, G. Guillaud et M. MaitrotRev. Phys. Appl. (Paris), 23 6 (1988) 1127-1134DOI: https://doi.org/10.1051/rphysap:019880023060112700