@book{4223,
	author = {Laudder, M. A. (ed.) and Bang, F. B. (ed.)},
	title = {Advances in virus research (vol-21)},
	publisher = {Academic Press},
	year = {1977},
	series = {21},
	address = {New York},
	note = {DM & 1475 & 16.03.1978}
}