TY  - BOOK
AU  - Parker, Steve.
ED  - I wonder why.
TI  - Tunnels are round and other questions about building
SN  - 9781856973106
U1  - 502 I999t 1995 
PY  - 1995///.
CY  - New York : 
PB  - Kingfisher, 
KW  -  Structural engineering -- Miscellanea
KW  -  Buildings -- Miscellanea.
KW  - Earthmoving machinery -- Miscellanea.
N1  -  	Includes index

N2  -  	
Answers a variety of questions about structural engineering such as, "What's the quickest way to knock down a building?", "How much can a crane lift?", and more
ER  -