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Número de registros utilizados en: 6
001 - CONTROL NUMBER
- control field: 8784
003 - CONTROL NUMBER IDENTIFIER
- control field: LC (Library of Congress)
005 - DATE AND TIME OF LATEST TRANSACTION
- control field: 20180729222706.0
008 - FIXED-LENGTH DATA ELEMENTS
- fixed length control field: 100413|| anannbabn |n ana d
040 ## - CATALOGING SOURCE
- Original cataloging agency: DGB/UNAM
- Language of cataloging: spa
- Transcribing agency: DGB/UNAM
150 ## - HEADING--TOPICAL TERM
- Topical term or geographic name entry element: Industria del petroleo
- Geographic subdivision: México
- General subdivision: Historia
450 #0 - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Petroleum industry and trade
- Geographic subdivision: Mexico
- General subdivision: History
670 ## - SOURCE DATA FOUND
- Source citation: DGB/UNAM, 13 abril 2010:
- Information found: catálogo electrónico (Industria del petroleo--México--Historia)
902 ## -
- : ERC/ERC/SLB
903 ## -
- : Nivel 3