%0 Journal Article %A Veloso, Paulo A. S. %A de Freitas, Renata P. %A Viana, Petrucio %A Benevides, Mario %A Veloso, Sheila R. M. %D 2007 %I Springer %J Journal of Philosophical Logic %N 5 %P 489 - 509 %T On fork arrow logic and its expressive power %V 36