@article {631,
	title = {Hydrogen-based microbial ecosystems in the Earth.},
	journal = {Science},
	volume = {272},
	year = {1996},
	month = {1996 May 10},
	pages = {896b},
	issn = {0036-8075},
	doi = {10.1126/science.272.5263.896b},
	author = {Lovley, D R and Chapelle, F H}
}
