TY - GEN AU - Holmes, William AU - Heider, Claret C2 - Grant/Contract Reports (NISTGCR), National Institute of Standards and Technology, Gaithersburg, MD DA - 2009-04-01 LA - en PB - Grant/Contract Reports (NISTGCR), National Institute of Standards and Technology, Gaithersburg, MD PY - 2009 TI - Research Required to Support Full Implementation of Performance-Based Seismic Design ER -