L. H. Khiem, N. T. Nghia, V. H. Phong and B. V. Loat, Proton Induced X-Ray Emission (PIXE) Analysis on Thick Samples at HUS 5SDH-2 Tandem Accelerator System, Comm. Phys. 24 (2014) 1–7. DOI: https://doi.org/10.15625/0868-3166/24/3S2/5013.