Kenneth King Humphreys

title	ISBN-13	year of publica- tion	other author(s)
Basic Cost Engineering	978-0-8247-9670-9	1995	Paul Wellman
Basic Cost Engineering	978-0-8247-1398-0	1981
Control and Management of Capital Projects	978-0-07-001259-2	1991	John W. Hackney
Cost and optimization engineering	978-0-07-032331-5	1983	Frederic C. Jelen
Gladstone's Mechanical Estimating Guidebook	978-0-07-024227-2	1995	John Gladstone
Gladstone's Mechanical Estimating Guidebook	978-0-07-852846-0	1995	"
Jelen's Cost and Optimization Engineering	978-0-07-053646-3	1991
Mechanical Estimating Guidebook	978-0-07-023620-2	1995	John Gladstone