000 00296nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.7 R5174
100 _aRICHARDS.R.H
245 0 _aTEXTBOOK OF ORE DRESSING
260 _aNEW YORK
_bMcGraw-Hill
_c1953
300 _a23X15
942 _cBK
_2DDC
999 _c12150
_d12150