@misc{indiciae0ad58fd4d270,
  title = {The electric fields produced by lightning stepped leaders},
  author = {Krider, E. P. and Weidman, C. D. and Noggle, R. C.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770041095},
  note = {Source identifier: 19770041095}
}