Entrada Término temático

Número de registros utilizados en: 1

001 - CONTROL NUMBER

• control field: 15495

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20200114233627.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 200114|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: OSt
• Transcribing agency: OSt

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name as entry element: Seguridad social
• Geographic subdivision: México

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)17968: Instituto Mexicano del Seguro Social 15494, Bases para la modernización del seguro social, 1991