@book{222717,
	author = {Cai, C. W. and Liu, J. K. and ebrary, Inc.},
	title = {Exact analysis of bi-periodic structures},
	publisher = {World Scientific,},
	year = {c2002.},
	address = {New Jersey :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10201227}
}