Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 598

003 - CONTROL NUMBER IDENTIFIER

• control field: BD-SpBAUS

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20221122115109.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 221122|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: BD-SpBAUS
• Transcribing agency: BD-SpBAUS

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Digital telephone systems

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (BD-SpBAUS)231: Bellamy, John C. 597, Digital Telephony /, c2000 [Reprint 2017].