@book{116,
	author = {Ashford, Scott A. and Sitar, Nicholas},
	title = {Seismic responce of steep natural slopes /},
	publisher = {EERC, College of Engineering, University of California},
	year = {1994},
	series = {Report University of California, Berkeley. Earthquake Engineering Research Center},
	address = {Berkeley, California },
	note = {Final report on research sponsored by the United States Geological Survey under USGS Award Number 14-08-0001-G2127}
}