000 002830000a22001210004500
245 _aAutomatic control components for mining
100 _aVolotkovsky, S. [et al.]
260 _aMoscow
_bMIR
_c1968
300 _a313 p.
080 _a621-52:622
_bV6
041 _aEN
942 _cBK
999 _c102484
_d102484