000 00338nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.78E+12
082 _a621
082 _b38132
100 _a"Das, Annapurna"
245 0 _aMicrowave Engineering
260 _aNew Delhi
260 _bTMH
260 _c2000
300 _a"X, 516"
999 _c47777
_d47777