Mechanics Pan-America 1989 : selected and revised proceedings of the January 1989 Rio de Janeiro Pan-American Congress of Applied Mechanics / editors, C.R. Steele, A.W. Leissa, M.R.M. Crespo da Silva. - Steele, Charles R., 1944-; Leissa, Arthur W.; Da Silva, M. R. M. Crespo (ASME Press, 1989)