TY  - BOOK
AU  - Johmann,Carol
TI  - Bridges!: amazing structures to design, build & test 
SN  - 1885593309 (pbk.)
PY  - 1999///
CY  - Charlotte, VT
PB  - Williamson Publishing Co.
KW  - Bridges
KW  - sears
N1  - Includes an index
N2  - Describes different kinds of bridges, their history, dilemmas, safety, and more
ER  -