1. Al-Azmi, D., 1995. Simultaneous positron and single photon emission tomography. Ph.D. Thesis, University of Surrey, England, UK.
2. Detection limits of the NaI(Tl) shielded HPGe spectrometer;Bikit;Nucl. Instr. and Meth. Phys. Res., A,1999
3. Well Ge and semi-planar Ge (HP) detectors for low-level gamma-spectrometry;El-Daoushy;Nucl. Instr. and Meth. Phys. Res., A,1995
4. A very-low-level gamma-ray analysis system for modest labratoies;Grismore;Nucl. Instr. and Meth. Phys. Res., A,1998
5. A new NaI gamma-ray spectrometer;Hasinoff;Nucl. Instr. and Meth.,1974