000 00297nam a2200121Ia 4500
008 221231s9999 xx 000 0 und d
100 _aTheraja B L
_95194
245 0 _aA text book of technology
260 _c1994
300 _aP V
650 _aElectronics and Communication
_95195
942 _cBE_BK
999 _c3903
_d3903