000 00302nam a2200121Ia 4500
008 180208s9999||||xx |||||||||||||| ||und||
020 _a6678
082 _a4.16
100 _aJAIN R.P;
245 0 _aDIGITAL ELECTRONICS AND MICROPROCESSOR
260 _bNone
_c1987
650 _aCOMMUNICATION ; PRINCIPLES ; SYSTEMS
942 _cGBB
999 _c13174
_d13174