000 00303nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a669.95 P513
100 _aPETZON,G
245 0 _aMETALLOGRAPHYIC ETCHING
260 _aOhio
_bAmerican Society for Metals
_c1976
300 _a24X16
942 _cBK
_2DDC
999 _c17864
_d17864