000			00373pam a2200145a 44500
082			_aBTS _bMONO 1990
100			_aMalthaner,W H
245	1		_aELECTRONICALLY CONTROLLED SWITCHING SYSTEM
260			_a _b _c1952
300			_a26
500			_aBound With Bts Mono 1980-1989,1991-1999 Lack No.1982,1984
700			_aVaughan,H E
964			_gCIRC
997			_aTR20043 C
999			_c403637 _d403637