Rueda, Jenny, Javier Perez, Alvaro Garcia, and Jose Usuriaga. “Determination of Naturally Occurring Radioactive Materials-Norm (Ra-226, Ra-228) in Synthetic Flowback Developed at Laboratory Scale from Rocks of the La LUNA-1 Well, Colombia, and Benchmarking With Marcellus and Eagle Ford Shale Plays”. ITEGAM-JETIA 7, no. 30 (August 31, 2021): 45-61. Accessed July 16, 2024. https://itegam-jetia.org/journal/index.php/jetia/article/view/770.