Otto, Frei Frei Otto complete works : lightweight construction natural design / Frei Otto; edited by Winfried Nerdinger; in collaboration with Irene Meissner, Eberhard, Mirjana Grdanjski - Boston : Birkhauser, 2005 - 391 p. : ill., plans ; 31 cm. ISBN: 3764372311 (hd. bd.) Subjects--Topical Terms: Architecture--20th century--Exhibitions--Germany