@misc{indiciaef7b9cc748037,
  title = {Disaster warning system study summary},
  author = {Leroy, B. F. and Maloy, J. E. and Braley, R. C. and Provencher, C. E. and Schumaker, H. A. and Valgora, M. E.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780002403},
  note = {Source identifier: 19780002403}
}