@article {Ballard1982b,
	title = {{The Galapagos Rift at 86 degrees W: 5, Variations in volcanism, structure, and hydrothermal activity along a 30-kilometer segment of the rift valley}},
	journal = {Journal of Geophysical Research},
	volume = {87},
	number = {B2},
	year = {1982},
	pages = {1149{\textendash}1161},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0148-0227},
	doi = {10.1029/JB087iB02p01149},
	url = {http://dx.doi.org/10.1029/JB087iB02p01149},
	author = {Ballard, R D and van Andel, T H and Holcomb, R T}
}
@article {VanAndel1979,
	title = {{The Galapagos Rift at 86 degrees W: 2, Volcanism, structure, and evolution of the rift valley}},
	journal = {Journal of Geophysical Research},
	volume = {84},
	number = {B10},
	year = {1979},
	pages = {5390{\textendash}5406},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0148-0227},
	doi = {10.1029/JB084iB10p05390},
	url = {http://dx.doi.org/10.1029/JB084iB10p05390},
	author = {van Andel, T H and Ballard, R D}
}
@article {Ballard1979b,
	title = {{The Galapagos Rift at 86 degrees W: 3, Sheet flows, collapse pits, and lava lakes of the rift valley}},
	journal = {Journal of Geophysical Research},
	volume = {84},
	number = {B10},
	year = {1979},
	pages = {5407{\textendash}5422},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0148-0227},
	doi = {10.1029/JB084iB10p05407},
	url = {http://dx.doi.org/10.1029/JB084iB10p05407},
	author = {Ballard, R D and Holcomb, R T and van Andel, T H}
}
