A. M. Saraiva,  "The UNOR 40 plan (1971-1972) by Hestnes Ferreira: As a more structured expansion proposal for a planning unit in Lisbon", in Colonial and Postcolonial Landscapes: Architecture, Cities, Infrastructures - I Int. Congr.: Proc., Milheiro, A. V., and Fernandes, A. S., Ed., Lisboa, ISCTE-IUL, 2022, pp. 138-148