000			00315nam a2200133Ia 4500
005			20251125111408.0
008			251125s9999 xx 000 0 und d
082			_a621.381 _bB281o
100			_aBAWAB
245		0	_aOPTICAL SWITCHING (PB)
260			_bSPRINGER-INDIA
650			_aELECTRICAL ENGINEERING
942			_cBKS
999			_c10 _d10