@inbook {Nelson1995a,
	title = {{Chemoautotrophic and methanotrophic endosymbiotic bacteria at deep-sea vents and seeps}},
	booktitle = {Microbiology of Deep Sea Hydrothermal Vents},
	year = {1995},
	pages = {125{\textendash}167},
	publisher = {CRC Press},
	organization = {CRC Press},
	address = {Boca Raton, Fla.},
	isbn = {0-8493-8860-0},
	author = {Nelson, D C and Fisher, C R},
	editor = {Karl, D M}
}
@article {Karl1988,
	title = {{A microbiological study of Guaymas Basin high temperature hydrothermal vents}},
	journal = {Deep-Sea Research. Part A, Oceanographic Research Papers},
	volume = {35},
	number = {5},
	year = {1988},
	pages = {777{\textendash}791},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0198-0149},
	doi = {10.1016/0198-0149(88)90030-1},
	url = {http://dx.doi.org/10.1016/0198-0149(88)90030-1},
	author = {Karl, D M and Taylor, G T and Novitsky, J A and Jannasch, H W and Wirsen, C O and Pace, N R and Lane, D J and Olsen, G J and Giovannoni, S J}
}
@inbook {Karl1985,
	title = {{Effects of temperature on the growth and viability of hydrothermal vent microbial communities}},
	booktitle = {Hydrothermal vents of the Eastern Pacific: An overview},
	series = {Bulletin of the Biological Society of Washington},
	number = {6},
	year = {1985},
	pages = {345{\textendash}353},
	publisher = {INFAX},
	organization = {INFAX},
	address = {Vienna, Va.},
	isbn = {0933937024},
	author = {Karl, D M}
}
@article {Karl1984,
	title = {{Themophilic microbial activity in samples from deep sea hydrothermal vents}},
	journal = {Marine Biology Letters},
	volume = {5},
	number = {4},
	year = {1984},
	pages = {227{\textendash}231},
	issn = {0165-859X},
	author = {Karl, D M and Burns, D and Orrett, K and Jannasch, H W}
}
@article {Karl1980,
	title = {{Deep-sea primary production at the Galapagos hydrothermal vents}},
	journal = {Science},
	volume = {207},
	number = {4437},
	year = {1980},
	pages = {1345{\textendash}1347},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0036-8075},
	author = {Karl, D M and Wirsen, C O and Jannasch, H W}
}
@article {Grassle1979,
	title = {{Galapagos {\textquoteright}79: Initial findings of a deep-sea biological quest}},
	journal = {Oceanus},
	volume = {22},
	number = {2},
	year = {1979},
	pages = {2{\textendash}10},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0029-8182},
	author = {Grassle, J F and Berg, C J and Childress, J J and Hessler, R R and Jannasch, H W and Karl, D M and Lutz, R A and Mickel, T J and Rhoads, D C and Sanders, H L and Smith, K L and Somero, G N and Turner, R D and Tuttle, J H and Walsh, P J and Williams, A J}
}
