000 00269nam a2200121Ia 4500
008 211209s1977 xx 000 0 und d
041 _aeng
082 _a669.9 N77 POL
100 _aPOLUKHIN P
245 _aMETAL PROCESS ENGINEERING
260 _c1977
300 _a431
999 _c15198
_d15198