@book{148632,
	author = {Beth, Thomas. and Jungnickel, D.},
	title = {Design theory /},
	publisher = {Cambridge University Press,},
	year = {c1993.},
	address = {Cambridge [England] ;},
	note = {Reprint.  Originally published: Mannheim [Germany] : Bibliographisches Institut-Wissenschaftsverlag, c1985.}
}