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    Earthquake resistant design (2)
    Polytechnic University of Puerto Rico--Graduate students--Posters (2)
    Polytechnic University of Puerto Rico--Graduate students--Research (2)
    Earthquake hazard analysis (1)
    Earthquake hazard analysis--Puerto Rico--Yauco (1)
    Seismology--Research (1)
    Steel, Structural--Brittleness--Prevention (1)