000 00380pam a2200157a 44500
008 160408b1971 xxu||||| |||| 00| 0 eng d
082 _a622.1
_bP81pE
100 _aPopov, G.
245 1 _aWORKING OF MINERAL DEPOSITS
260 _aMoscow
_bMir Pub.
_c1971
300 _a616
650 _aMining Engineering
700 _aShiffer, V.
964 _gCIRC
997 _aA28756 C
999 _c270022
_d270022