000			00325nam a2200109Ia 4500
008			220120s9999||||xx |||||||||||||| ||und||
100			_aDas, Annapurna and Das, Sisir K _911763
245		0	_aMicrowave engineering
260			_aTata mcgraw hill company Ltd _bNew Delhi _c2005
300			_a891p. _b250
650			_aCOMPUTER NETWORK
999			_c137115 _d137115