Ashley, Ray
Electrical estimating - 3rd ed. - New York McGraw-Hill 1961 - ix, 437 p. illus. 26 cm.
Estimating : Electrical engineering
623.002 / ASH/1961
Electrical estimating - 3rd ed. - New York McGraw-Hill 1961 - ix, 437 p. illus. 26 cm.
Estimating : Electrical engineering
623.002 / ASH/1961