TY  - BOOK
AU  - Gaylord, Edwin H .
AU  - Gaylord ,Charles N  .
TI  - Structral engineering handbook / 
SN  - 0-07-023123-0
U1  - 624.1 
PY  - 1979///
CY  - New York : 
PB  - McGraw Hill Book Company , 
ER  -