1. Bambynek, W., Barta, T., Jedlovszky, R., Christmas, P., Coursol, N., Debertin, K., Helmer, R.G., Nichols, A.L., Schima, F.J., Yoshizawa, Y., 1991 X-ray and gamma-ray standards for detector calibration. IAEA-TECDOC-619.
2. Orbital electron capture by the nucleus
3. Measurement of the 320.0 keV gamma-ray-emission probability of 51Cr
4. Bhat, M.R., 1991. (NDS 64, 875 ENSDF, http://nucleardata.nuclear.lu.se/nucleardata/toi/radSearch.asp). Attie, M.R.P., Koskinas, M.F., Dias, M.S., Fonseca, K.A., 1998. Appl. Radiat. Isotopes 49, 1175. Hwang, H.Y., Lee, C.B., Patk, T.S., Kim, H.J., 1996. Nucl. Instrum. Methods. A 383, 447–450.