Lindner, E. (2016). Review of the Effects of CO₂ on Very-Fine-Grained Sedimentary Rock/Shale – Part I: Problem Definition (NETL-TRS-1-2016). Morgantown, WV: U.S. Department of Energy, National Energy Technology Laboratory. https://doi.org/10.18141/1432993
Phan, T. T., Capo, R. C., Stewart, B. W., Graney, J. R., Johnson, J. D., Sharma, S., & Toro, J. (2015). Trace metal distribution and mobility in drill cuttings and produced waters from Marcellus Shale gas extraction: Uranium, arsenic, barium. Applied Geochemistry. 60, 89–103. https://doi.org/10.1016/j.apgeochem.2015.01.013
Dilmore, R., Bruner, K., Wyatt, C., Romanov, V., Goodman, A.L, Hedges, S., McIntyre, D., Crandall, D.M., Gill, M., Disenhof, C., Jain, J., Lopano, C., Aminian, K., Zamirian, M., Mashayekhi, A., Sanguinito, S., Mroz, T., & Soeder, D. (2015). Experimental Characterization of Marcellus Shale Outcrop Samples, and their Interactions with Carbon Dioxide and Methane (NETL-TRS-1-2015). Morgantown, WV: U.S. Department of Energy, National Energy Technology Laboratory. https://doi.org/10.18141/1432659