Entrada Topical Term

Número de registros utilizados en: 13

001 - CONTROL NUMBER

• control field: 4026

003 - CONTROL NUMBER IDENTIFIER

• control field: EC-CFr

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20260131195118.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 260131|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: EC-CFr
• Transcribing agency: EC-CFr

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Ciencias naturales - Enseñanza

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (EC-CFr)2507: Santillana autor 3788, Supersaberes: