000			00356pam a2200145a 44500
082			_aBTL _bB-296
100			_aHorton,J W
245	1		_aPRECISION DETERMINATION OF FREQUENCY
260			_a _b _c1928
300			_a17
500			_aBound With Btl B-277-294, Lack No.279,81,86,88-93,95
700			_aMarrison,W A
964			_gCIRC
997			_aTR17287 C
999			_c400215 _d400215