Qusay, Taif, and Najah Abd. “Seismic Noise Analysis of Four Broadband Seismic Stations in Central Part of Iraq Using Probabilistic Power Spectral Density (PPSD)”. Iraqi Journal of Science, vol. 67, no. 2, Feb. 2026, pp. 964-79, https://doi.org/10.24996/ijs.2026.67.2.28.