TY  - BOOK
AU  - Brown,Douglas W., x
AU  - x
TI  - Reinforced concrete design charts for beams & slabs in 30 grade concret: x
SN  - x
U1  - REF720.22/BRR 
PY  - 1975///
CY  - Lond.
PB  - Fitzroy Computer Systems
KW  - Architectural Drawing
N1  - x
ER  -