000 00293nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aDas, Annapurna Das, Sisir, K
_91197
245 0 _aMicrowave engineering
260 _aTata mcgraw hill
_bBangalore
_c2005
300 _b185
650 _aMachine
999 _c132054
_d132054