Entry Temas (650)

Number of records used in: 4

001 - CONTROL NUMBER

• control field: 35441

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20250326094357.0

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: Medio ambiente -
• Geographic subdivision: Puebla

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)106625: Congreso de Ecología (1a : Octubre, 1989 : Puebla, Pue. 35439, Memorias del 1° Congreso de Ecología, Puebla, Pue. /, 1989