000 00403nam a2200157Ia 4500
008 230223s9999 xx 000 0 und d
020 _a9789390113347
100 _aAnnapurna Das;Sisir Das
245 0 _aMicrowave Engineering,Ed4
250 _a4
260 _aNew Delhi
_bMGH
_c2021
536 _aManagement
650 _aAnnapurna Das;Sisir Das
650 _aMicrowave Engineering,Ed4
942 _cBK
999 _c91956
_d91954