@inproceedings{inproceedingsc010f4d4,
title   = {Investigation on the non-linear dynamic behavior using time-frequency distributions},
author = {Varoto, Paulo Sérgio and Silva, Demian Gomes},
year = {2002},
publisher = {UFP/ABCM},
booktitle   = {Congresso Nacional de Engenharia Mecânica}
}