The following publications are possibly variants of this publication:
- Threshold Implementations of All 3 ×3 and 4 ×4 S-BoxesBegül Bilgin, Svetla Nikova, Ventzislav Nikov, Vincent Rijmen, Georg Stütz. ches 2012: 76-91 [doi]
- Threshold implementations of small S-boxesBegül Bilgin, Svetla Nikova, Ventzislav Nikov, Vincent Rijmen, Natalia Tokareva, Valeriya Vitkup. ccds, 7(1):3-33, 2015. [doi]