TY  - BOOK
AU  - HIBBERD,Peter R.
ED  - Collins 
TI  - Variations in Construction Contracts.
SN  - 0003831914
U1  - 343078 
PY  - 1986///.
CY  - London: 
PB  - COLLINS, 
KW  - Building
KW  - Contracts
KW  - Specifications
N1  - Includes Index
ER  -