000			00396pam a2200145a 44500
082			_aTR _bNBS-20
100			_a
245	1		_aDURABILITY OF INSULATING GLASS
260			_a _bU.S. Department Of Commerce, Washington _c1970
300			_a79
440			_aNational Bureau Of Standards Building Science Series _vNo.20
500			_aBound With: Nbs No.8-20
964			_gCIRC
997			_aTR4313 C
999			_c392764 _d392764