TY  - BOOK
AU  - Foster,Wolcott C.
TI  - A trataise on wooden trestle bridges: according to the present practice on american railroads 
AV  - TG365 F67 1904
PY  - 1904///
CY  - New York, london
PB  - j. wiley, Chapman and Hall
KW  - Puentes de madera
KW  - Caballetes (Ingeniería)
ER  -