@book{18041,
	author = {Kennett, B. L. N.},
	title = {Seismic wave propagation in stratified media /},
	publisher = {Cambridge University Press,},
	year = {1983.},
	series = {Cambridge monographs on mechanics and applied mathematics},
	address = {Cambridge ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0803/82004242-d.html}
}