000			00453pam a2200133a 44500
082			_aBTL _bB-318
100			_aGreen,E I
245	1		_aMETHODS OF MEASURING INSULATION OF TELEPHONE LINES AT HIGH FREQUENCIES
260			_a _b _c1928
300			_a15
500			_aBound With Btl B-301-316,321-397,Lack No.302-306,309-11,13,17,19-20,24-27,34-36,38-41,43-49,53,55-60,62-64,66-67,71-72,74-78,80-80,82-85,87-92,94
964			_gCIRC
997			_aTR17176 C
999			_c401863 _d401863