000 00278nam a2200133Ia 4500
020 _a9780074635773
100 _aAnnapurna Das
245 _aMicrowave Engineering
250 _a1
260 _c2005
_bTMH
_aNew Delhi
300 _ax+516
700 _aSisir K Das
942 _cBK
999 _c30787
_d30787