000			00289nam a2200097 4500
080			_a62.002.3(085.2) _bTRA.92
245			_aNIST standard reference materials catalog 1992-93
100			_aTrahey, N.M., Ed.
700			_aNational Institute of Standards and Technology
260			_aMaryland _bNIST _c1992
300			_av+162p
999			_c33625 _d33625