Symmetric (79, 27, 9)-designs Admitting a Faithful Action of a Frobenius Group of Order 39. - Dieter Held; Mario-Osvin Pavcevic (Eur. J. Comb., 1997)

Some new Hadamard designs with 79 points admitting automorphisms of order 13 and 19. - Dieter Held; Mario-Osvin Pavcevic (Discret. Math., 2001)