Sira Institute Ltd..Programming microprocessors for industrial measurement and control (1980 : London)：seminar jointly sponsored by SIL & Warren Spring Laboratory.SIL,1980.
.Computer communications :：increasing benefits for society; proceedings of the 5th International Conference on Computer Communication, Atlanta, 27-30 Cot. 1980.North-Holland Pub. Co.,1980.
Computer communications :：increasing benefits for society; proceedings of the 5th International Conference on Computer Communication, Atlanta, 27-30 Cot. 1980
.Symposium on Security and Privacy(1980 : Oakland)：proceedings of the 1980 Symposium on Security and Privacy, Oakland, Calif. April 14-16, 1980..IEEE Computer Society`,1980.
