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Vengosh, Avner, Andrew Kondash, Jennie Harkness, Nancy Lauer, Nathaniel Warner, and Thomas H. Darrah. “The Geochemistry of Hydraulic Fracturing Fluids.” In Procedia Earth and Planetary Science, 17:21–24. Elsevier BV, 2017. https://doi.org/10.1016/j.proeps.2016.12.011.

Vengosh A, Kondash A, Harkness J, Lauer N, Warner N, Darrah TH. The Geochemistry of Hydraulic Fracturing Fluids. In: Procedia Earth and Planetary Science. Elsevier BV; 2017. p. 21–4.

Vengosh, Avner, et al. “The Geochemistry of Hydraulic Fracturing Fluids.” Procedia Earth and Planetary Science, vol. 17, Elsevier BV, 2017, pp. 21–24. Crossref, doi:10.1016/j.proeps.2016.12.011.

Vengosh A, Kondash A, Harkness J, Lauer N, Warner N, Darrah TH. The Geochemistry of Hydraulic Fracturing Fluids. Procedia Earth and Planetary Science. Elsevier BV; 2017. p. 21–24.