Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 5988

003 - CONTROL NUMBER IDENTIFIER

• control field: DLC

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20240724175157.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 860211|| anannbabn |a ana

010 ## - LIBRARY OF CONGRESS CONTROL NUMBER

• LC control number: sh 85009317

040 ## - CATALOGING SOURCE

• Original cataloging agency: DLC
• Transcribing agency: DLC
• Modifying agency: DLC

053 #0 - LC CLASSIFICATION NUMBER

• Classification number element-single number or beginning number of span: QC454

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Atomic frequency standards

550 ## - SEE ALSO FROM TRACING--TOPICAL TERM

• Control subfield: g
• Topical term or geographic name entry element: Frequency standards