@book{6157,
	author = {Gray D. (ed.) and Sprent, J. (ed.)},
	title = {Current topics in microbiology and immunology (vol-159)},
	publisher = {Springer Verlag},
	year = {1990},
	series = {159},
	address = {New York},
	note = {5578 / 17.12.1990}
}