000 00260nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a621.7
_bDOB
100 _aDobrovolsky, V
245 0 _aMachine elements
260 _aMoscow
_bForeign Languages
942 _cBK
999 _c24165
_d24165