Entry Topical Term

Number of records used in: 3

000 - LEADER

• fixed length control field: 00271cz 2200109n 4500

000 - LEADER

• fixed length control field: 1

001 - CONTROL NUMBER

• control field: 31522

003 - CONTROL NUMBER IDENTIFIER

• control field: P5A

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20221101114409.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 860211i| anannbab| |n ana |||||

010 ## - LIBRARY OF CONGRESS CONTROL NUMBER

• LC control number: sh 85133285

035 ## - SYSTEM CONTROL NUMBER

• System control number: oca02012544

040 ## - CATALOGING SOURCE

• Original cataloging agency: DLC
• Transcribing agency: DLC
• Modifying agency: DLC

053 ## - LC CLASSIFICATION NUMBER

• Classification number element-single number or beginning number of span: TK5102.85

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Telecommunication
• General subdivision: Security measures