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035 | |a 9364306 | ||
040 | |a Sistema de Bibliotecas de la Universidad de Costa Rica | ||
082 | 0 | |a 781.68 |b S497s |2 23 | |
245 | 1 | 4 | |a The modern era, part I |
912 | |a 05-MAR-2014 - SALAZAR ALVAREZ, CLAUDIO | ||
917 | |a 18-APR-2013 - QUIROS SALAZAR, DANILO |