TY  - GEN
AU  - Spain, Bryan
TI  - Spon's estimating costs guide to roofing : unit rates and total project costs
SN  - 0415344123
PY  - 2005///
CY  - London
PB  - Taylor & Francis
KW  - ROOFING-estimating cost
KW  - ROOFING MATERIALS
ER  -