TY  - BOOK
AU  - Wilby, C.B. Naqvi, M.M.
AU  - Cement and Concrete Assocation
TI  - Reinforced concrete conoidal sheel roofs
U1  - 624.1776 
PY  - 1956///
CY  - London
PB  - Cement and Concrete Association
N1  - Dormitory
ER  -