TY - CONF AU - Kevin Wong AU - John Harris C2 - 9th US National and 10th Canadian Conference on Earthquake Engineering: Reaching Beyond Borders, Toronto, -1 DA - 2010-07-25 LA - en PB - 9th US National and 10th Canadian Conference on Earthquake Engineering: Reaching Beyond Borders, Toronto, -1 PY - 2010 TI - NONLINEAR MODAL ANALYSIS AND SUPERPOSITION UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903563 ER -