S. B. Alegranzi, J. F. Gonçalves, H. M. Gomes, BALL BEARING VIBRATION MONITORING FOR FAULT DETECTION BY THE ENVELOPE TECHNIQUE, Blucher Mechanical Engineering Proceedings, Volume 1, 2014, Pages 4113-4125, ISSN 23580828, http://dx.doi.org/10.5151/meceng-wccm2012-19745 (www.proceedings.blucher.com.br/article-details/ball-bearing-vibration-monitoring-for-fault-detection-by-the-envelope-technique-9297) Palavras-chave:: ;