Collision cross sections and transport coefficients of O−, O2−, O3− and O4− negative ions in O2, N2 and dry air for non-thermal plasmas modellingAli Hennad and Mohammed YousfiEur. Phys. J. D, 72 2 (2018) 27DOI: https://doi.org/10.1140/epjd/e2017-80479-8