TY  - BOOK
AU  - Johansen, K. W. 
TI  - Yield - line formulae for slabs
SN  - 9780721008196
U1  - 624.1834 
PY  - 1972///
CY  - Copenhagen
PB  - Author
KW  - Civil engineering
KW  - Reinforced concrete
KW  - Concrete
KW  - Slabs
KW  - Engineering materials
ER  -