@article {Pruis2002,
	title = {{Age dependent porosity of young upper oceanic crust: Insights from seafloor gravity studies of recent volcanic eruptions}},
	journal = {Geophysical Research Letters},
	volume = {29},
	number = {5},
	year = {2002},
	pages = {1076},
	keywords = {HOV Alvin (Human Occupied Vehicle), ROV Jason (Remotely Operated Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/2001GL013977},
	url = {http://dx.doi.org/10.1029/2001GL013977},
	author = {Pruis, M J and Johnson, H P}
}
@article {Johnson2001,
	title = {{Earthquakes{\textquoteright} impact on hydrothermal systems may be far-reaching}},
	journal = {EOS, Transactions, American Geophysical Union},
	volume = {82},
	number = {21},
	year = {2001},
	pages = {233{\textendash}236},
	issn = {2324-9250},
	doi = {10.1029/01EO00127},
	url = {http://dx.doi.org/10.1029/01EO00127},
	author = {Johnson, H P and Dziak, R P and Fisher, C R and Fox, C G and Pruis, M J}
}
@article {Johnson2000a,
	title = {{Density and porosity of upper oceanic crust from seafloor gravity measurements}},
	journal = {Geophysical Research Letters},
	volume = {27},
	number = {7},
	year = {2000},
	pages = {1053{\textendash}1056},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/1999GL011130},
	url = {http://dx.doi.org/10.1029/1999GL011130},
	author = {Johnson, H P and Pruis, M J and Van Patten, D and Tivey, M A}
}
@article {Pruis1998,
	title = {{Porosity of very young oceanic crust from sea floor gravity}},
	journal = {Geophysical Research Letters},
	volume = {25},
	number = {11},
	year = {1998},
	pages = {1959{\textendash}1962},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/98GL01412},
	url = {http://dx.doi.org/10.1029/98GL01412},
	author = {Pruis, M J and Johnson, H P}
}
