Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 12683

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20211105133538.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 211105|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: OSt
• Transcribing agency: OSt

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Mirrors

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt): Symposium on Support and Testing of Large Astronomical Mirrors Arizona 1966 Dec. 4-6 12682, Support and testing of large astronomical mirrors, 1968