Minimum quantity for "NEHRP Seismic Design Technical Brief No. 4: Nonlinear Structural Analysis for Seismic Design, A Guide for Practicing Engineers" is 1.
Minimum quantity for "NEHRP Seismic Design Technical Brief No. 11: Seismic Design of Steel Buckling-Restrained Brace Frames, A Guide for Practicing Engineers" is 1.
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Minimum quantity for "Guidelines for the Design of Horizontal Wood Diaphragms" is 1.
Minimum quantity for "Minimizing Floor Vibration" is 1.