Pritzker Prize for Frei Otto, German Architect, Is Announced After His Death - The New York Times

Frei Otto Dies Arquitectura Viva

Frei Otto, Architect, Dies at 89; the Soap Bubble Was an Inspiration - The New York Times

German architect Frei Otto named winner of Pritzker Prize a day after he dies

Frei Otto, Architect, Dies at 89; the Soap Bubble Was an Inspiration - The New York Times

German Architect Frei Otto Dies at 89, Wins 2015 Prizker Prize

جایزه معماری پریتزکر - ویکی‌پدیا، دانشنامهٔ آزاد

Pritzker Prize for Frei Otto, German Architect, Is Announced After His Death - The New York Times

Architect Frei Otto named Pritzker prize winner one day after his death, Architecture

Frei Otto, Tag