“Accounting for the ‘block effect’ in structural interventions in Lisbon’s old ‘Pombaline’ downtown buildings”, V. Cóias e Silva (Oz Ld.ª), Paulo B. Lourenço and Luís F. Ramos (University of Minho, Department of Civil Engineering), Carlos G. Mesquita (Oz, Ld.ª), Seminário “Historical Constructions 2001 – Possibilities of numerical and experimental techniques”, Universidade do Minho, Guimarães, Novembro 2001.