Danziger P., Mendelsohn E., Grannell M.J. and Griggs T.S. (1996) “ Article Source type Journal ISSN 03153681 View more Five-line configurations in Steiner triple systems”, Utilitas Mathematica , 49. Available at: https://utilitasmathematica.com/index.php/Index/article/view/5 (Accessed: 8 May 2026).