@article {167,
	title = {Using environmental tracers and modelling to identify natural and gas well-induced emissions of methane into streams},
	journal = {Applied Geochemistry },
	year = {2017},
	doi = {10.1016/j.apgeochem.2017.12.022},
	author = {Grieve, P.L. and Hynek, S.A. and Heilweil, V. and Sowers, T. and Llewellyn, G and Yoxtheimer, D and Solomon, D.K. and Brantley, S.L.}
}
@article {131,
	title = {Evaluating a groundwater supply contamination incident attributed to Marcellus Shale gas development},
	journal = {Proceedings of the National Academy of Sciences of the United States of America},
	volume = {112},
	year = {2015},
	url = {http://www.pnas.org/content/112/20/6325.full},
	author = {Garth Llewellyn and Frank Dorman and J. L. Westland and David Yoxtheimer and Paul Grieve and Todd Sowers and E. Humston-Fulmer and Susan L. Brantley}
}
@booklet {132,
	title = {Frequently asked questions about the study {\textquotedblleft}Evaluating a groundwater supply contamination incident attributed to Marcellus Shale gas development{\textquotedblright}},
	year = {2015},
	author = {Garth Llewellyn and Frank Dorman and David Yoxtheimer and Susan L. Brantley}
}
@article {130,
	title = {Organic and inorganic composition and microbiology of produced waters from Pennsylvania shale gas wells},
	journal = {Applied Geochemistry},
	volume = {in press},
	year = {2015},
	doi = {doi:10.1016/j.apgeochem.2015.04.011},
	author = {Denise M. Akob and Isabelle M. Cozzarelli and Darren S. Dunlap and Elisabeth L. Rowan and Michelle M. Lorah}
}
@article {209,
	title = {Water resource impacts during unconventional shale gas development: The Pennsylvania experience. International Journal of Coal Geology article,},
	journal = {Water resource impacts during unconventional shale gas development: The Pennsylvania experience. International Journal of Coal Geology article,},
	volume = {126},
	year = {2014},
	month = {06/2014},
	pages = {140-156},
	author = {Susan Brantley and David Yoxtheimer and Sina Arjmand and Paul Grieve and Radisav Vidic and Jon Pollak and Garth Llewellyn and Jorge Abad and Cesar Simon}
}
