David K. Lloyd and Myron Lipow, Reliability: management, methods, and mathematics, Prentice-Hall Space Technology Series, C. W. Besserer and I Floyd E. Nixon, Editors, Prentice-Hall, Inc., Englewood Cliffs, New Jersey, ■ 1962.

Johnsen, E. (1964). David K. Lloyd and Myron Lipow, Reliability: management, methods, and mathematics, Prentice-Hall Space Technology Series, C. W. Besserer and I Floyd E. Nixon, Editors, Prentice-Hall, Inc., Englewood Cliffs, New Jersey, ■ 1962. Ledelse Og erhvervsøkonomi Erhvervsøkonomisk Tidsskrift Handelsvidenskabeligt Tidsskrift, 28. Retrieved from https://tidsskrift.dk/ledelseogerhvervsoekonomi/article/view/34199