Entry Autor Personal (100 - 700)

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 72558

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20250326101217.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 250326|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: OSt
• Transcribing agency: OSt

100 ## - HEADING--PERSONAL NAME

• Personal name: Espinosa Valdés, María Elisa

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)130342: Espinosa Valdés, María Elisa, Factores que determinan la deserción de los alumnos en el primer semestre de las carreras del ITM, 1999