00403cam a22001451 4500 658.1596 THU D Thuesen, H. G. 44654 Engineering economy. New York, Prentice-Hall [1950] xvi, 501 p. illus. 22 cm. 0 0 0 658_159600000000000_THU Engineering Estimates. 44655 MCE 379 ddc BK 548381 548381 0 0 ddc 0 0 MCE MCE 2014-08-27 0 658.1596 THU MCE-33235 2014-08-27 2014-08-27 BK