John H. Conway, Neil J. A. Sloane. Self-Dual Codes over the Integers Modulo 4. Journal of Combinatorial Theory, Series A, 62(1):30-45, 1993.
@article{ConwayS93, title = {Self-Dual Codes over the Integers Modulo 4}, author = {John H. Conway and Neil J. A. Sloane}, year = {1993}, researchr = {https://researchr.org/publication/ConwayS93}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {62}, number = {1}, pages = {30-45}, }