000			00322pam a2200133a 44500
082			_aBTS _bMONO 2631
100			_aPhelps,J W
245	1		_aPROTECTION PROBLEMS ON TELEPHONE DISTRIBUTION SYSTEMS
260			_a _b _c1956
300			_a5
500			_aBound With Bts Mono 2632-2650
964			_gCIRC
997			_a68264 C
999			_c448504 _d448504