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001 - CONTROL NUMBER
control field: 20226
003 - CONTROL NUMBER IDENTIFIER
control field: OSt
005 - DATE AND TIME OF LATEST TRANSACTION
control field: 20171013150725.0
008 - FIXED-LENGTH DATA ELEMENTS
fixed length control field: 171013|| aca||babn | a|a d
040 ## - CATALOGING SOURCE
Original cataloging agency: OSt
150 ## - HEADING--TOPICAL TERM
Topical term or geographic name as entry element: PROBLEMAS AMBIENTALES GLOBALES
BIBLIOTECA
2015-2019