Konkel, James H.
Rule-of-thumb cost estimating for building mechanical systems: accurate estimati - New York McGraw-Hill 1987 - viii, 230 p.
70449570
Ventilation-estimates
697 / KON
Rule-of-thumb cost estimating for building mechanical systems: accurate estimati - New York McGraw-Hill 1987 - viii, 230 p.
70449570
Ventilation-estimates
697 / KON