1. Eberle AR, Lerner MW, Goldbeck CG, Rodden CJ (1970) U.S. Atomic Energy Commission, New Brunswick, NJ, NBL-252 (1970)
2. Aigner H, Hollenthoner S, Keroe E, Kuhn E, Delle Site A, Zoigner A (1983) Fifth annual symposium on Safeguards and Nuclear Materials Management, Versailles, France
3. Harrar JE, Boyle WG, Breshears JD, Pomernacki CL, Brand HR, Kray AM, Sherry RJ, Pastrone JA (1976) Proc. Inst. of Nuclear Materials Management Meeting, Seattle
4. Reeder SD, Delmastro JR (1978) NBS Publication - 528
5. Joint Committee for Guides in Metrology (2008) International vocabulary of metrology—basic and general concepts and associated terms (VIM), JCGM 200