000			00511nam a2200145Ia 4500
008			170101s1984 xx 000 0 und d
082			_a621.38 M62H
100			_aMILLMAN, S
245		0	_aHistory of engineering and science in the Bell System : Communication sciences(1925-1980).Prepared by members of the technical staff AT and T Bell Laboratories[Indianapolis] AT & TBell Laboratories.
260			_c1984
300			_a521p
650			_aTELECOMMUNICATION
653			_aTELECOMMUNICATION
942			_2ddc _cB
999			_c88402 _d88402