@inproceedings{inproceedingsa439d573,
title   = {Determination of natural frequencies of modified structures},
author = {Kaminski, Paulo Carlos and Salvagni, Ronaldo de Breyne},
year = {1992},
publisher = {Dalian University of Technology Press},
booktitle   = {International Conference on Education, Practice and Promotion of Computational Methods in Engineering Using Small Computers}
}