000 00310nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
041 _aENG
100 _aKENNEDY,G
245 0 _aELECTRONIC COMMUNICATION SYSTEMS
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1997
300 _a741
942 _2ddc
999 _c61311
_d61311