@inbook{inbook1df0ba07,
title   = {On chaotic oscillations of a machine foundation: perturbation and numerical studies},
author = {Brasil, Reyolando Manoel Lopes Rebello da Fonseca and Balthazar, José Manoel},
year = {2002},
publisher = {American Academy of Mechanics, Associação Brasileira de Ciências Mecânicas},
journal   = {Nonlinear dynamics, chaos, control and their applications to engineering sciences, v.3}
}