000 00323nam a2200145Ia 4500
008 130410s9999 xx 000 0 und d
100 _aHAYKIN SIMON
245 _aCOMMUNICATION SYASEM
250 _a
260 _bJOHN WILLIAM
_a
_c1996
270 _aSINGAPORE
300 _a
650 _aELECTRICITY
_b
942 _2ddc
_cBK
999 _c781
_d781