1. Mass attenuation coefficients of soil and sediment samples using gamma energies from 46.5 to 1332keV.;Al-Masri;J. Environ. Rad.,2013
2. Analytical quality control services — Reference materials catalogue;AQCS Catalogue,2004
3. Bé, M.M., Chisté, V., Dulieu, C., Browne, E., Chechev, V., Kuzmenko, N., Kondev, F., Luca, A., Galán, M., Pearce, A., Huang, X., 2008. Table of radionuclides, vol. 4. Monographie BIPM-5. Bureau International de Poids and Mesures, Pavillon de Breteuil, F-92310 SÈVRES.
4. Table of Radioactive Isotopes;Browne,1986
5. Gamma- and X- ray spectrometry with semiconductor detectors;Debertin,1988