Entry Topical Term

Number of records used in: 4

001 - CONTROL NUMBER

• control field: 17677

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20211105134210.0

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: Light pollution

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt): International Astronomical Union Colloquium Washington, DC 1989 Aug. 13-16 17676, Light pollution, radio interference and space debris, 1991