000			00494nam a2200181Ia 4500
999			_c81007 _d81007
005			20221004121713.0
008			180710s9999 xx 000 0 und d
020			_a84254
041			_aEN
082			_a621.38 _bFRA _223
100			_aFRASER, W. _eaut
245			_aTelecommunications _b: an introductory textbook for engineering students _c/by W.Fraser
260			_aLondon _bMacdonald _c1957
300			_axii, 772 p.
500			_aIncludes appendix and index.
509			_aNS
942			_cS