TY  - BOOK
AU  - D. I. Blockley 
TI  - Bridges
SN  - 9780191572838
U1  - 624.2 
PB  - Oxford University Press USA - OSO
UR  - https://ebookcentral.proquest.com/lib/hec-ebooks/detail.action?docID=497605&query=
ER  -