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035 | |a 3491583 | ||
040 | |a Sistema de Bibliotecas de Universidad de Costa Rica | ||
082 | 0 | |a 631.6 |b D759di2 |2 00 | |
245 | 1 | 0 | |a Surveys and investigations |
773 | 0 | |7 nnam |t Drainage principles and applications | |
912 | |a 17-JUL-2009 - LEON SORIO, MARIA ELENA |