TY  - ADVS
ED  - University of England
TI  - Flat roofs
PY  - 1998///
CY  - England
PB  - University of England
KW  - Flat roofs
KW  - Roofs
N1  - Title from title screen
N2  - Tracing the development of flat roofs and identifying the principles and practices of modern construction, this program discusses lead roofing, built-up felts, asphalt, and single-ply membranes
ER  -