About induced orthogonality and generalized reflections of affine coordinate plane A ( K ) of odd order. Blažev, Sunčica; Cigić, Vlado — 2007 Balkan Journal of Geometry and its Applications (BJGA)
Some new partially symmetric designs and their resolution Vlado Cigić — 1998 Rendiconti del Seminario Matematico della Università di Padova