Frei Otto

1. Staeck, Klaus (2015): Akademie der Künste trauert um Frei Otto. In: Stahlbau, v. 84, n. 4 (April 2015), pp. 295-296.

   https://doi.org/10.1002/stab.201590037

2. Burry, Mark (2016): Antoni Gaudí and Frei Otto: Essential Precursors to the Parametricism Manifesto. In: Architectural Design, v. 86, n. 2 (March 2016), pp. 30-35.

   https://doi.org/10.1002/ad.2021

3. Fabricius, Daniela (2016): Architecture before architecture: Frei Otto's ‘Deep History’. In: The Journal of Architecture, v. 21, n. 8 (November 2016), pp. 1253-1273.

   https://doi.org/10.1080/13602365.2016.1254667

4. Picon, Antoine (1997): L'art de l'ingénieur. constructeur, entrepeneur, inventeur. Éditions du Centre Georges Pompidou, Paris (France), pp. 350-1.
5. Burkhardt, François (2001): Arte, scienza, naura: I nuovi compiti di architetti e ingegneri alle soglie del ventunesimo secolo / Art, science, nature: the new task of architects and engineers in the twenty-first century. Intervistado con Frei Otto / Interview with Frei Otto. In: Crossing, v. 2, n. 2 (June 2001), pp. 4-11.