@book {Ballard1977c,
	title = {{Photographic atlas of the Mid-Atlantic Ridge Rift Valley}},
	year = {1977},
	pages = {125},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {New York, N.Y.},
	isbn = {0387902473},
	author = {Ballard, R D and Moore, J G}
}
