Bondarenko, M. S., V. V. Karmazenko, G. A. Kashuba, and V. V. Kulik. “Determination of Porosity of Clay Rocks in Cased Oil and Gas Wells Using Radioactive and Acoustic Logging”. Geofizicheskiy Zhurnal 32, no. 2 (April 1, 2010): 110–120. Accessed November 23, 2024. https://journals.uran.ua/geofizicheskiy/article/view/117560.