000			00521nam a2200205Ia 4500
005			20250619145057.0
008			250619s9999||||xx |||||||||||||| ||und||
020			_a047191410X _c _28.95
040			_aMAIN
041			_aEnglish
082			_a621.382 _bHAL
100			_aHalley, Pierre
245		0	_aFibre optic systems
260			_aSingapore _b; John Wiley & Sons _c, 1987
300			_axi,189p.
650			_aCommunication Engineering
650			_aEngineering
650			_aOptical Transmission
942			_cBK
999			_c120517 _d120517