Frei Otto (English Wikipedia)

Contemporary architects. Muriel Emanuel, Dennis Sharp. New York: St. Martin's Press. 1980. p. 600. ISBN 0-312-16635-4. OCLC 6483421.{{cite book}}: CS1 maint: others (link)
Peltason, Ruth; Ong-Yan, Grace (7 November 2017). Architect: The Pritzker Prize Laureates in Their Own Words. Running Press. ISBN 978-0-316-47369-9. Archived from the original on 6 July 2021. Retrieved 16 November 2023.
Barnes, Michael; Dickson, Michael (1 November 2000). Widespan Roof Structures. ICE Publishing. p. 19. ISBN 978-0-7277-2877-7. Archived from the original on 16 November 2023. Retrieved 23 September 2020.

building.co.uk

The man with the golden pen, Building.co.uk, 2005 issue 08

ingenhovenarchitects.com

"Meilenstein in Stuttgart: Erster Musterkelch wurde betoniert". ingenhoven architects. 18 March 2016. Archived from the original on 23 July 2021. Retrieved 28 September 2020.

manager-magazin.de

Video: Animation. Stuttgart 21 – Ein Bahnhof kommt unter die Erde. Archived 8 November 2017 at the Wayback Machine and pictures: Großprojekt Stuttgart 21: Wie der Bahnhof einmal aussehen soll. Archived 16 June 2021 at the Wayback Machine

nytimes.com

Pritzker Prize for Frei Otto, German Architect, Announced After His Death Archived 3 February 2018 at the Wayback Machine, Robin Pogrebin, The New York Times, 10 March 2015

praemiumimperiale.org

"Frei Otto". Praemium Imperiale. Archived from the original on 24 September 2015. Retrieved 11 March 2015.

pritzkerprize.com

"Biography: Frei Otto". The Hyatt Foundation. Archived from the original on 9 November 2017. Retrieved 11 March 2015.
"Frei Otto, 2015 Laureate". Pritzker Architecture Prize. 10 March 2015. Archived from the original on 11 March 2015. Retrieved 11 March 2015.

stern.de

Stuttgart 21-Architekt fordert den sofortigen Baustopp. Archived 20 May 2015 at the Wayback Machine

swr.de

Video: Animation. Stuttgart 21 – Ein Bahnhof kommt unter die Erde. Archived 8 November 2017 at the Wayback Machine and pictures: Großprojekt Stuttgart 21: Wie der Bahnhof einmal aussehen soll. Archived 16 June 2021 at the Wayback Machine

tagesspiegel.de

Hans Monath, Andreas Böhme: Bahn soll bei Stuttgart 21 Notbremse ziehen. Archived 29 August 2010 at the Wayback Machine

web.archive.org

"Biography: Frei Otto". The Hyatt Foundation. Archived from the original on 9 November 2017. Retrieved 11 March 2015.
Peltason, Ruth; Ong-Yan, Grace (7 November 2017). Architect: The Pritzker Prize Laureates in Their Own Words. Running Press. ISBN 978-0-316-47369-9. Archived from the original on 6 July 2021. Retrieved 16 November 2023.
"Frei Otto". Praemium Imperiale. Archived from the original on 24 September 2015. Retrieved 11 March 2015.
Fong, Mei (11 January 2002). "From Parks to Twisted Towers, Designs for a Memorial Multiply". Wall Street Journal. Archived from the original on 4 March 2016. Retrieved 7 March 2017.
"Meilenstein in Stuttgart: Erster Musterkelch wurde betoniert". ingenhoven architects. 18 March 2016. Archived from the original on 23 July 2021. Retrieved 28 September 2020.
Werner Sobek: S21 Tiefbahnhof Stuttgart. Archived 13 June 2017 at the Wayback Machine
Video: Animation. Stuttgart 21 – Ein Bahnhof kommt unter die Erde. Archived 8 November 2017 at the Wayback Machine and pictures: Großprojekt Stuttgart 21: Wie der Bahnhof einmal aussehen soll. Archived 16 June 2021 at the Wayback Machine
Hans Monath, Andreas Böhme: Bahn soll bei Stuttgart 21 Notbremse ziehen. Archived 29 August 2010 at the Wayback Machine
Stuttgart 21-Architekt fordert den sofortigen Baustopp. Archived 20 May 2015 at the Wayback Machine
"Frei Otto, 2015 Laureate". Pritzker Architecture Prize. 10 March 2015. Archived from the original on 11 March 2015. Retrieved 11 March 2015.
Pritzker Prize for Frei Otto, German Architect, Announced After His Death Archived 3 February 2018 at the Wayback Machine, Robin Pogrebin, The New York Times, 10 March 2015
Barnes, Michael; Dickson, Michael (1 November 2000). Widespan Roof Structures. ICE Publishing. p. 19. ISBN 978-0-7277-2877-7. Archived from the original on 16 November 2023. Retrieved 23 September 2020.

wernersobek.de

Werner Sobek: S21 Tiefbahnhof Stuttgart. Archived 13 June 2017 at the Wayback Machine

worldcat.org

Contemporary architects. Muriel Emanuel, Dennis Sharp. New York: St. Martin's Press. 1980. p. 600. ISBN 0-312-16635-4. OCLC 6483421.{{cite book}}: CS1 maint: others (link)

wsj.com

Fong, Mei (11 January 2002). "From Parks to Twisted Towers, Designs for a Memorial Multiply". Wall Street Journal. Archived from the original on 4 March 2016. Retrieved 7 March 2017.