000			00320pam a2200133a 44500
082			_aBTS _bMONO 1918
100			_aLozier,J C
245	1		_aINSTANTANEOUS COMPANDORS ON SPEECH CHANNELS
260			_a _b _c1951
300			_a7
500			_aBound With Bts Mono 1900-17,1919-29
964			_gCIRC
997			_aTR19692 C
999			_c403412 _d403412