00371nam a2200133 a 4500008004100000020001500041050001500056100001300071245007900084260003300163300001700196350000900213700001500222120416s1971    ||||||||||||||||| ||    u  a7111703931  aTN 275 Pop  aPopov, G14aThe working of mineral depositsctranslated from the Russian by V. Shiffer  aMoscowbMir Publishersc1971  a614p. : ill.  a0.00  aShiffer, V