George R. Welti. Quaternary codes for pulsed radar. IEEE Transactions on Information Theory, 6(3):400-408, 1960. [doi]
@article{Welti60,
title = {Quaternary codes for pulsed radar},
author = {George R. Welti},
year = {1960},
doi = {10.1109/TIT.1960.1057572},
url = {http://dx.doi.org/10.1109/TIT.1960.1057572},
researchr = {https://researchr.org/publication/Welti60},
cites = {0},
citedby = {0},
journal = {IEEE Transactions on Information Theory},
volume = {6},
number = {3},
pages = {400-408},
}