@book{490547,
	author = {Parsons, Tom },
	title = {Crustal structure of the coastal and marine San Francisco bar region, California /},
	publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,},
	year = {2002.},
	series = {U.S. Geological Survey professional paper ;},
	address = {Denver :}
}