000 00313nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.42 K45
100 _aKHADZHIKOV,R BUTAKOV
245 0 _aMINING MECHANICAL ENGINEERING
260 _aMOSCOW
_bMIR Publishers
_c1988
300 _a23X15 391
942 _cBK
_2DDC
999 _c22171
_d22171