Determination of effective electron yield from swarm and time delay measurementsV. Lj. Marković, S. R. Gocić, S. N. Stamenković, Z. Lj. Petrović and M. RadmilovićEur. Phys. J. AP, 14 3 (2001) 171-176DOI: https://doi.org/10.1051/epjap:2001152
