?url_ver=Z39.88-2004&rft_id=10.3390%2Fsym14061253&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=F.&rft.aulast=Hassan&rft.au=Hassan%2C+F.&rft.title=Symmetry&rft.issue=6&rft.atitle=A+Hybrid+Particle+Swarm+Optimization-Based+Wavelet+Threshold+Denoising+Algorithm+for+Acoustic+Emission+Signals&rft.volume=14&rft.date=2022&rft.issn=20738994&rft.genre=article