000			00324nam a2200121Ia 4500
008			220120s9999||||xx |||||||||||||| ||und||
082			_a621.381 DAS
100			_aDas, Annapurna Das, Sisir, K _91197
245		0	_aMicrowave engineering
260			_aTata mcgraw hill company Ltd _c2000
300			_b0
650			_aMECHANICHAL
999			_c136985 _d136985