ELECTRICAL FIELD STRENGTH ON THE POSITIVE CORONA ELECTRODE WITH THE COUNTERFLOW OF NEGATIVE IONS N. B. Bogdanova, B. G. Pevchev et V. I. PopkovJ. Phys. Colloques, 40 C7 (1979) C7-361-C7-362DOI: https://doi.org/10.1051/jphyscol:19797178