000			00458pam a2200145a 44500
082			_aBTL _bB-420
100			_aWanger,B S
245	1		_aDEVELOPMENTS IN TELEPHONE CONSTRUCTION PRACTICEE
260			_a _b _c1929
300			_a35
500			_aBound With Btl B-403-19,423-73 Lack No.404,406-08,418,421-22,424-26,428,431-32,435,37,438-39,441-45,447-48,450-53,456-59,461,463-64,466-68,470
700			_aBurroway,A C
964			_gCIRC
997			_aTR16462 C
999			_c403735 _d403735