000			00392pam a2200133a 44500
082			_aBTS _bMONO B-1236
100			_aMason,W P
245	1		_aA NEW QUARTZ-CRYSTAL PLATE
260			_a _bAmerican Society For Testing And Materials, Philadelphia _c1940
300			_a10
500			_aBound With Bts Mono B-1229-1235,1237-1260,Lack No.1234,47,52,54-55
964			_gCIRC
997			_aTR16351 C
999			_c401989 _d401989