@book{91303,
	author = {Gilmore, Michael T. and ebrary, Inc.},
	title = {Surface and depth},
	publisher = {Oxford University Press,},
	year = {2003.},
	address = {Oxford ;},
	url = {https://ezproxy.taylors.edu.my/login?url=http://site.ebrary.com/lib/taylorscollege/Doc?id=10085323}
}