@article{article012e2855,
title   = {High-speed video and electromagnetic analysis of two natural bipolar cloud-to-ground lightning flashes},
author = {Saraiva, A. C. V and Campos, L. Z. S and Williams, E. R and Zepka, G.S. and Alves, J. and Pinto Jr., Osmar and Heckman, S. and Buzato, T. S. and Bailey, J. C. and Rodriguez, Carlos Augusto Morales and Blakeslee, R. J.},
year = {2014},
doi = {10.1002/2013JD020974},
journal   = {Journal of Geophysical Research: Atmospheres}
}