@misc{indiciaef4b9d437316f,
  title = {Convolutional coding techniques for data protection Quarterly progress report, 16 Nov. 1969 - 15 Feb. 1970},
  author = {Chang, J. and Geist, J. and Hartman, W. and Massey, J. L. and Seguin, G.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700018269},
  note = {Source identifier: 19700018269}
}