1. La Prueba de la Parafina en el Gabinete Nacional de Identificacion;Castellanos,1942
2. Detection of gunpowder residues by neutron activation analysis;Ruch;Nucl. Sci. Eng.,1964
3. Firing distance determination by neutron activation analysis;Krishnan;J. Forens. Sci.,1967
4. Special Report on Gunshot Residues Measured by Neutron Activation Analysis;Schlesinger,1970
5. Applications of rare earth tracers to gunpowder residues;Pillay;Nucl. Appl. Technol.,1970