KOVALÍK, Alojz, RYŠAVÝ, Miloš, GOROZHANKIN, V. M., VYLOV, T., FILOSOFOV, D. V., MAHMOUD, M. A., MINKOVA, A., COURSOL, N., CASETTE, P., BRIANCON, Ch. The low energy electron spectrum from the EC-decay of .SUP .57 Co. In: Proceedings of the Conference "Properties of nuclei far of the stability valley". Dubna: OIJaI, 1997, s. 277+1.