Östergård, Patric R. J., and Mattias Svanström. “Ternary Constant Weight Codes”. The Electronic Journal of Combinatorics 9, no. 1 (October 15, 2002): R41. Accessed March 15, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v9i1r41.