TY  - BOOK
AU  - Konkel, James H.
TI  - Rule-Of-Thumb cost estamating for the building mechanical systems: accurate estamating and building using unit assembly costs
SN  - 0-07-044957-0
U1  - 697 
PY  - 1987///
CY  - New York
PB  - McGrew-- Hall
KW  - Air conditoning--Estimates
KW  - Fire dedoctor--Estimates
KW  - Heating--Estamating
KW  - ventilation---Estimates
N1  - ncludes biblographical references and index
ER  -