00827cam a22002654a 450000100060000000300110000600500170001700800410003404000270007504100080010204400070011008000110011711000460012824500810017426000340025530000260028965000140031565000130032965100200034265500170036294200120037994500220039199900170041395201310043038410AR-SsjUBGM20251206163643.0250720nuuuuuuuuag 000 0 spa d aAR-SsjUBGMcAR-SsjUBGM0 aspa aag a622.332 aYacimientos Carboníferos Fiscales9929910aGeneralidades sobre combustibles sólidos minerales :bcarbones argentinos. aBuenos Aires :bYCF,c[s.f.]. a31 p. :bil. ;c26 cm 4aMinería 4aCarbón 0aArgentina93170 4aFolleto9935 cLB2cdu aidgymd2004-10-01 c38410d38410 00102cdu4070aGMbGMd2001-05-09eDonación - Lyons, W.i01343fl0o622.33 pGM01343fr2025-12-06 00:00:00w2025-12-06yLB