TY  - BOOK
T1  - American wooden bridges /
DA  - 1976.
CY  - New York :
VL  - no. 4
CN  - TG23
CN  - TG23
PB  - ASCE,
PP  - New York :
PY  - 1976.
ID  - 264398
KW  - Covered bridges
KW  - Wooden bridges
TI  - American wooden bridges /
ER  -