TY  - BOOK
AU  - Ketchum,Milo S.
TI  - Structural engineers' handbook: data for the design and construction of steel bridges and buildings
AV  - TA684 K41924
PY  - 1924///c1952
CY  - New York
PB  - McGraw-Hill
KW  - Puentes de hierro y acero
KW  - Construcciones metálicas
ER  -