TY  - BOOK
AU  - Johansen,K.W.
TI  - Yield-line formulae for slabs
AV  - QTO TA660.S6J6313 
PY  - 1972///
CY  -  :London
PB  - Cement and Concrete Association
KW  - Plates ( Engineering )
KW  -  Yield
KW  -  Cire analysis
ER  -