1. MicroSAMPO–Personal computer based advanced gamma spectrum analysis system;Aarnio;J. Radioanal. Nucl. Chem.,1988
2. Decay of 87Y;Alberger;J. Phys. G,1988
3. 66Ga: a standard for high-energy calibration of Ge detectors;Baglin;Nucl. Inst. Meth. Phys. Res. A,2002
4. Nuclear data sheets for A=81;Baglin;Nucl. Data Sheets,2008
5. Bureau International des Poids et Mesures, 2006. Table of Radionuclides, vol. 3. See also vols. 1 and 2 (2004).