TY  - BOOK
AU  - David Barnard Steinman, Sara Ruth Watson
TI  - Bridges and their builders
U1  - 624.2 
PY  - 1957///
CY  - New York
PB  - Dover publications inc.
KW  - MCE
N1  - 0; 0; 0; 624_200000000000000_STE
ER  -