000 00258nam a2200121Ia 4500
008 200701s2000 xx 000 0 eng d
100 _aLATHI.B.P
245 0 _aCOMMUNICATION SYSTEMS
250 _a1st
260 _bTMH
_c2000
300 _a431
942 _2ddc
_cGE
999 _c832
_d832