Optimal Investment Decisions for Two Positioned Firms Competing in a Duopoly Market with Hidden Competitors
Manuel Rocha Armada, Lawrence Kryzanowski, Paulo Jorge Pereira
European Financial Management, vol. 17, 2011, p. 305-330.

A Modified Finite-Lived American Exchange Option Methodology Applied to Real Options Valuation
Manuel Rocha Armada, Lawrence Kryzanowski, Paulo Jorge Pereira
Global Finance Journal, vol. 17, 2007, p. 419-438.