The role of implicit contracts: Building public works in the 1840s in Portugal

Business History, Vol 50 No 2, p147-162

Public works policy in Portugal: a case study in unsustainability

International Journal of Engineering and Industrial Management, nº 1, p. 195-208

The Vasco da Gama Bridge on the Tagus Estuary: A paradigm of bad decision making, but good post-evaluation

World Transport Policy & Practice, Vol.6, nº2, (2000)