Humphreys, Kenneth King.
Mechanical Estimating Guidebook / - 6th edition. - [S.l.] : Mcgraw-Hill (Tx), 1995. - 440 p. ;
0070236208 (hardcover) 9780070236202 (hardcover)
Air conditioning--Estimates
Air conditioning--Equipment and supplies--Estimates
Mechanical Estimating Guidebook / - 6th edition. - [S.l.] : Mcgraw-Hill (Tx), 1995. - 440 p. ;
0070236208 (hardcover) 9780070236202 (hardcover)
Air conditioning--Estimates
Air conditioning--Equipment and supplies--Estimates