Symbolic hierarchical analysis in currency markets: An application to contagion in currency crises. - Juan Gabriel Brida; David Matesanz Gómez; Wiston Adrián Risso (Expert Syst. Appl., 2009)

Hierarchical structure of the German stock market. - Juan Gabriel Brida; Wiston Adrián Risso (Expert Syst. Appl., 2010)

Modeling the financial market with labyrinth chaos. - Wiston Adrián Risso (Algorithmic Finance, 2019)