00867nas 2200253 n 450 991014049990332120200124233642.0(CKB)2900000000000102(CONSER) 79645434 (EXLCZ)99290000000000010220790421a19uu9999 uy spaMemoria de labores - Petróleos MexicanosMéxicoPetróleos Mexicanos1 online resourcePrint version: Memoria de labores - Petróleos Mexicanos. (DLC) 79645434 (OCoLC)4881372 0186-9531 MEM. LABOR. - PET. MEX.Petroleum industry and tradeMexicoPeriodicalsPetroleum industry and tradeJOURNAL9910140499903321exl_impl conversionMemoria de labores - Petróleos Mexicanos2103341UNINA