Knud J. Larsen. Short convolutional codes with maximal free distance for rates 1/2, 1/3, and 1/4 (Corresp.). IEEE Transactions on Information Theory, 19(3):371-372, 1973. [doi]
@article{Larsen73,
title = {Short convolutional codes with maximal free distance for rates 1/2, 1/3, and 1/4 (Corresp.)},
author = {Knud J. Larsen},
year = {1973},
doi = {10.1109/TIT.1973.1055014},
url = {http://dx.doi.org/10.1109/TIT.1973.1055014},
researchr = {https://researchr.org/publication/Larsen73},
cites = {0},
citedby = {0},
journal = {IEEE Transactions on Information Theory},
volume = {19},
number = {3},
pages = {371-372},
}