TY - BOOK AU - Yang, J.N. AU - Long, F.X., coaut.Wong, D., coaut. ED - National Center for Earthquake Engineering Research (E.U.)State University of New York at Buffalo TI - Optimal control of nonlinear flexible structures / by J.N. -Yang, F.X.Long and D. Wong CY - Buffalo, New York : National Center for Earthquake Engineering Research ER -