Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 17899

003 - CONTROL NUMBER IDENTIFIER

• control field: AIT

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20260512111823.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 260512|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: AIT
• Transcribing agency: AIT

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Telecommunications

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (AIT)1564: Dobb, Annabel Z. Author 17898, Essential guide to telecommunications /