Coba jelasin Lihat juga dari Rumus jisim separa empirik dalam bahasa melayu dong

R.Freedman, H.Young (2004), University Physics with Modern Physics, 11th international edition, Sears and Zemansky, 1633-4. ISBN 0-8053-8768-4.

S.E.Liverhant (1960), Elementary Introduction to Nuclear Reactor Physics, John Wiley & Sons, 58-62.

RADIOCHEMISTRY and NUCLEAR CHEMISTRY , Gregory Choppin, Jan-Olov Liljenzin, and Jan Rydberg, 3rd Edition, 2002,  the chapter on nuclear stability (PDF)