Entry Topical Term

Number of records used in: 2

001 - CONTROL NUMBER

• control field: 24342

003 - CONTROL NUMBER IDENTIFIER

• control field:

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20230519160002.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 230519|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency:
• Transcribing agency:

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: RUBY-HEAT TREATMENT

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: ()64198: Themelis, Ted 15631, The Heat treatment of Ruby and Sapphire, 1992