000			00351nam a2200133Ia 4500
008			221231s9999 xx 000 0 und d
100			_aGopal  R _93296
245		0	_aProblems and Solutions in Communication System
260			_bC B S Publications
260			_c2004
300			_a269
650			_aElectronics and Communication _93297
942			_cBE_BK
999			_c2956 _d2956