@inbook {Ballard1979e,
	title = {{The Galapagos rift}},
	booktitle = {Encyclopedia Science Supplement 1979},
	year = {1979},
	pages = {134{\textendash}139},
	publisher = {Grolier, Inc},
	organization = {Grolier, Inc},
	address = {Danbury, Conn.},
	author = {Ballard, R D},
	editor = {Kondo, H}
}
