Entry Topical Term

Number of records used in: 2

001 - CONTROL NUMBER

• control field: 293

003 - CONTROL NUMBER IDENTIFIER

• control field: PUMLC

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20241216093726.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 241216|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: PUMLC
• Transcribing agency: PUMLC

150 ## - HEADING--TOPICAL TERM

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

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (PUMLC)1385: Zwicky, Elizabeth D 292, Building internet firewalls /, 2000.