Entry Topical Term

Number of records used in: 5

001 - CONTROL NUMBER

• control field: 5117

003 - CONTROL NUMBER IDENTIFIER

• control field: DUET_Lib

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20230119122957.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 230119|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: DUET_Lib
• Transcribing agency: DUET_Lib

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: 1 . Telephony

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (DUET_Lib)3050: Biswas , Nripendra 5116, Principles of Telephony /, c1988 .