000 00454naa a22001214a 4500
001 CR751199
040 _aveucat
_cveucat
041 _aspa
100 _aSIN AUTOR
245 _aREFINING AND MARKETING
942 _2lcc
_cART
773 _aANNUAL REPORT. EMPRESA COLOMBIANA DE PETROLEOS
999 _c198221
_d198221