Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 79941

003 - CONTROL NUMBER IDENTIFIER

• control field: ISURa

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20201209115639.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 201209|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: ISURa
• Transcribing agency: ISURa

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Geometrical Optic

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (ISURa)41230: Nelkon , M. 79940, උසස් ‍ පෙළ භෞතිකය, 1993