000			00340nam a2200145Ia 4500
008			170101s1950 xx 000 0 und d
082			_a672 S25S
100			_aSEABRIGHT, Lawrence H
245		0	_aSelection and hardening of tool steels
260			_bN.Y _c1950
300			_a263p
650			_aSTEEL
653			_aSTEEL
942			_2ddc _cB
999			_c10357 _d10357