000 02386nam a2200445Ia 45e0
008 181001s1967 xx 000 0 und d
100 _aDobrovolsky K.
245 0 _aMachine elements A Text book
260 _aMascow
_bMir Pub.
_c1967
300 _a120
942 _2ddc
_cBK
999 _c2322
_d2322