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2008 | ||
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3 | EE | Hans Ludwig de Vries: On orthogonal resolutions of the classical Steiner quadruple system SQS(16). Des. Codes Cryptography 48(3): 287-292 (2008) |
1985 | ||
2 | EE | Immo Diener, Eberhard Schmitt, Hans Ludwig de Vries: All 80 steiner triple systems on 15 elements are derived. Discrete Mathematics 55(1): 13-19 (1985) |
1984 | ||
1 | EE | Hans Ludwig de Vries: Historical notes on steiner systems. Discrete Mathematics 52(2-3): 293-297 (1984) |
1 | Immo Diener | [2] |
2 | Eberhard Schmitt | [2] |