Entry Temas (650)

Number of records used in: 3

001 - CONTROL NUMBER

• control field: 97462

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20250326110557.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 250326|| 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: Contaminación -
• General subdivision: Leyes y legislación

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)138412: Pérez, Efraín 97460, Derecho ambiental, 2000