Extension of Gravity Centers Configuration to Steiner Triple Systems
Reference3 articles.
1. R. H. Bruck, A Survey of Binary Systems, Springer, Berlin/Göttingen/Heidelberg (1958).
2. G. Pickert, Konstruktion zweier (15,3,l)-Blockpläne, Abh. Math. Sem. Hamburg, Vol. 65 (1995) pp. 165–173.
3. G. Pickert, Einführung in die endliche Geometrie, Stuttgart (1974).