Entry Tema-Encabezamiento de Materia

Number of records used in: 2

001 - CONTROL NUMBER

• control field: 20612

003 - CONTROL NUMBER IDENTIFIER

• control field: MX-MxCDU

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20240111132648.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 240111|| 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: COVID-19
• Form subdivision: Cuentos

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (MX-MxCDU)319553: Frenk, Julio, 1953- , autor 9507, Triptofanito, Lisina y la pandemia :, 2022