000			00302 a2200145 4500
082			_a669.1 _bAm29b2
100			_aThum, Ernest E.
245	1		_aBORON STEEL
250			_a2nd rev.
260			_aCleveland _b _c1953
300			_a111
650			_aBoron Steel
964			_gCIRC
997			_a15021 s C
999			_c452125 _d452125