Entry Tema-Encabezamiento de Materia

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 36357

003 - CONTROL NUMBER IDENTIFIER

• control field: MX-MxCDU

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20240723104509.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 240723|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: MX-MxCDU
• Transcribing agency: MX-MxCDU

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Medio ambiente
• Geographic subdivision: México
• Geographic subdivision: Centronorte : región)
• Form subdivision: Ensayos, conferencias, etc

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (MX-MxCDU)323739: Historial ambiental en el norte de México /, 2020