000 00303nam a2200133Ia 4500
008 160710s1970 xx 000 0 und d
082 _a510.78 KEN
100 _aKENNEDY,G.
245 _aELECTRONIC COMMUNICATION SYSTEM
250 _a2
260 _bKOGAKUSHA
_c1970
300 _a774
942 _2ddc
_cB
999 _c41845
_d41845