Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 83929

003 - CONTROL NUMBER IDENTIFIER

• control field: NUST

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20211111160951.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 211111|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: NUST
• Transcribing agency: NUST

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Telephone switching systems, Electronic
• General subdivision: Reliability

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (NUST)193627: Ali, Syed Riffat. 83927, Digital switching systems :, c1998.