Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 89757

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20260716164452.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 260716|| 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: Heterocyclic compounds

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)43866: Milgrom, Lionel R 15561, The Colours of Life: An Introduction to the Chemistry of Porphyrins and Related Compounds, 1997.