11\\ f\ " Netzwerke P.III.747 :1 U .... Information-systems information-networks.Information Systems and Networks. Annual symposium Ed. by John Sherrod. Produced by Informatics Inc. 11, March 27-29, 1974.-l"l:t5. Westport, Ct. /usw./: Greenwood Press 80 (1975). _ Jl1+'P. o