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Introduction; Generalized Steiner systems of type 3-(v, {4, 6}, 1) E. F. Assmus Jr. and J. E. Novillo Sardi; 2. On k-sets of class [0, 1, 2, n]2 in PG(r,q) A. Bichara; 4. On k-sets of type (m,n) in projective planes of square order M. de Finis; 10.
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