@article {1455,
	title = {The distribution and relative abundance of ammonium-oxidizing bacteria in lakes of the McMurdo Dry Valleys, Antarctica},
	journal = {Hydrobiologia},
	volume = {401},
	year = {1999},
	pages = {113-130},
	keywords = {LTER-MCM},
	doi = {LTER},
	author = {Mary A. Voytek and John C. Priscu and Bess B.  Ward}
}
@article {1551,
	title = {Detection and Characterization of Denitrifying Bacteria from a Permanently Ice-Covered Antarctic Lake},
	journal = {Hydrobiologia},
	volume = {347},
	year = {1997},
	pages = {57-68},
	keywords = {LTER-MCM},
	author = {Bess B.  Ward and John C. Priscu}
}
