000 00394nam a2200157Ia 4500
008 170601s2002 xx 000 0 und d
020 _a9812406115
041 _aENGLISH
082 _a621.38/BLA
100 _aBLAKE, ROY
245 0 _aELCTRONIC COMMUNICATION SYSTEMS
250 _a2nd
260 _bTHOMSON DELMAR LEARNING., AUSTRALIA
_aAUSTRALIA.
_c2002
300 _a985
942 _2ddc
_cREF
999 _c3480
_d3480