TY  - BOOK
AU  - Roland, Conrad
AU  - Amerongen, C. V.
TI  - Frei Otto - structures
SN  - 0582507081
PY  - 1965///
CY  - London
PB  - Longman Group
KW  - Structural design
KW  - Otto, Frei, 1925 -
KW  - Architects
KW  - German
ER  -