TY  - BOOK
AU  - Konkel,James H.
TI  - Rule-of-thumb cost estimating for building mechanical systems : accurate estimating and budgeting using unit assembly costs
SN  - 0070449570
U1  - TH/7335 
PY  - 1987///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Air conditioning -- Estimates.
KW  - Fire detectors -- Estimates.
KW  - Heating -- Estimates.
KW  - Ventilation -- Estimates.
ER  -