with Koslow, A. (eds) , 2015a, The road to universal logic I: Festschrift for 50th birthday of Jean-Yves Béziau, Birkhäuser, Basel.
with Koslow, A. (eds) , 2015b, The road to universal logic II: Festschrift for the 50th birthday of Jean-Yves Béziau, Birkhäuser, Basel.
with Pequeno, T. , Pequeno, M. , 2007a, 'A logical expression of reasoning', Synthese 154 (3), 431-466.