New results and new trends in computer science : Graz, Austria, June 20-21, 1991 : proceedings

H. Maurer (ed.)
Bok · Engelsk · 1991

Utgitt	Berlin : Springer , c1991
Omfang	XIII, 402 s. : ill.
Emner	Computers - Access control Congresses Cryptography - Congresses Databehandling
ISBN	0387548696. - 3540548696