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035 | |a 9154743 | ||
040 | |a Sistema de Bibliotecas de la Universidad de Costa Rica | ||
082 | 0 | |a 621.319.12 |b A548a |2 22 | |
245 | 1 | 0 | |a PWRMAT for the IBM PC |
912 | |a 17-SEP-2008 - SANCHEZ VELASQUEZ, AURA | ||
917 | |a 17-SEP-2008 - SANCHEZ VELASQUEZ, AURA |