T. Fok, “Compact NEXAFS System Based on Laser–Plasma Soft X-ray Light Source for the Analysis of Barium Edges in a B+BaF2 Optical Filter”, Acta Phys. Pol. A, vol. 145, no. 2, p. 89, Feb. 2024, doi: 10.12693/APhysPolA.145.89.