@misc{indiciaed1e9f6885332,
  title = {Modifying real convolutional codes for protecting digital filtering systems},
  author = {Redinbo, G. R. and Zagar, Bernhard},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930054224},
  note = {Source identifier: 19930054224}
}