TY  - BOOK
ED  - United Kingdom. Department of Scientific and Industrial Research
TI  - Principles of modern building
U1  - 690 21st
PY  - 1961///
CY  - London
PB  - Her Majesty's Stationery Office
KW  - Building; Roofing, Iron and Steel; Agriculture; Building-Technological innovations
N1  - Contents: v.2 Floors and roofs
ER  -