N. S. SALAMA, I. M. AL-ALFY, A. M. El-HAWARY, and M. Z. El-SAWY, “3D Slicing of Radiogenic Heat Production to Distinguish Source and Reservoir Rocks of Al-Wastani Formation, Sapphire Oil Field, Deep Marine Nile Delta, Egypt”, Contrib. Geophys. Geod., vol. 56, no. 2, pp. 171–184, Jun. 2026, doi: 10.31577/congeo.2026.56.2.4.