TY - BOOK AU - Han Yongfei ed. ED - International Conference, ICIS '97 on Information and Communications Security (1st : 11-14 Nov 1997 : Beijing,China) ED - International conference, ICIS '97 on information and communications security TI - Information and communications security: proceedings SN - 3-540-63696-X U1 - 5.8 PY - 1997/// CY - Berlin PB - Springer-Verlag KW - Data security ER -